/// LEVEL 6639 - ENDLESS CHALLENGE PACK ///

Word Craze Level 6639 Answers

All 34 clues and answers for Word Craze Level 6639. Every clue and solution from the Endless Challenge pack (levels 2785-13164), with letter counts and a word-by-word breakdown.

34 clues 5-9 letters Longest: COGNITION (+9 tied) Endless Challenge pack

Word Craze Level 6639 answers are listed in full below. This level sits in the Endless Challenge pack (levels 2785-13164) and packs 34 picture-and-trivia clues onto a single board. Every answer below is drawn from the game's own level data and laid out clue by clue, so you can scan straight to the one you need. Solutions run from 5 letters at the short end up to 9 letters at the long end, with COGNITION, FACETIOUS, THRUSTING, NOTEPAPER, PLUTONIUM, SYNTHETIC, HARMONIUM, INCAPABLE, RETORTION and CONVERTER tied as the longest at 9 letters. Because Word Craze mixes photo puzzles, fill-in-the-blank song lyrics, and straight trivia, a single board can swing from easy to tough in a few taps, which is why having the full solved list in front of you protects your streak.

The quickest route through Level 6639 is to lock in the longest words first: every long answer you place drops shared letters into the shorter crossing entries, which then almost fill themselves. Use the All Clues and Answers table to jump straight to the clue that has you stuck, tap Copy to grab the word without a typo, then open the Word-by-Word Breakdown when you want the exact letter pattern behind a solution.

Cleared the board? Level 6640 continues the Endless Challenge run, or open the full Endless Challenge pack to browse every level in the set. New to Word Craze? The Tips guide walks through the tactics that clear boards fastest.

/// ALL ANSWERS ///

All 34 Clues and Answers

ClueAnswerLettersCopy
Auto-correcting device: SERVO 5
Risqué: BAWDY 5
Silly individual who annoys you: TWERP 5
Applauds: CLAPS 5
"___ __ All On Me" is a song by Rudimental and Ed Sheeran: LAYIT 5
Church council: SYNOD 5
Rarity for a century plant: BLOOM 5
Norwegian name for a fisherman: FISKE 5
Scruggs' strings: BANJO 5
Talked gibberish: RAVED 5
Lockup lineup: CELLS 5
Leave behind, informally: DITCH 5
To quickly learn something before an exam: MUGUP 5
Repeated an earlier verse: REPRISED 8
Not affected by time or age: TIMELESS 8
Sends in a huff: FIRESOFF 8
Positive indicator on a calculator: PLUSSIGN 8
Action in reply: COACTION 8
Polite and kind in behavior or speech: GRACIOUS 8
Having a sweet smell: FRAGRANT 8
Modern airliner: JETPLANE 8
Ghastly, shocking: HORRIFIC 8
Surprised or frightened suddenly: STARTLED 8
List of items for a wedding gift: REGISTRY 8
Mental process involved in understanding and consciousness: COGNITION 9
One deliberately treating a serious issue with humor is this: FACETIOUS 9
Performing a sword attack in a straight-forward motion: THRUSTING 9
Write reminders on this: NOTEPAPER 9
A radioactive metallic element, used in nuclear reactors and nuclear bombs: PLUTONIUM 9
Produced artificially: SYNTHETIC 9
Keyboard reed instrument: HARMONIUM 9
Can not do it: INCAPABLE 9
Retaliation by a state on another's subjects: RETORTION 9
App that changes the value of one currency into another: CONVERTER 9

/// BREAKDOWN ///

Word-by-Word Breakdown

01
Auto-correcting device: SERVO

SERVO has 5 letters - 2 vowels and 3 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

02
Risqué: BAWDY

BAWDY has 5 letters - 1 vowel and 4 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

03
Silly individual who annoys you: TWERP

TWERP has 5 letters - 1 vowel and 4 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

04
Applauds: CLAPS

CLAPS has 5 letters - 1 vowel and 4 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

05
"___ __ All On Me" is a song by Rudimental and Ed Sheeran: LAYIT

LAYIT has 5 letters - 2 vowels and 3 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

06
Church council: SYNOD

SYNOD has 5 letters - 1 vowel and 4 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

07
Rarity for a century plant: BLOOM

BLOOM has 5 letters - 2 vowels and 3 consonants, including a double O. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

08
Norwegian name for a fisherman: FISKE

FISKE has 5 letters - 2 vowels and 3 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

09
Scruggs' strings: BANJO

BANJO has 5 letters - 2 vowels and 3 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

10
Talked gibberish: RAVED

RAVED has 5 letters - 2 vowels and 3 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

11
Lockup lineup: CELLS

CELLS has 5 letters - 1 vowel and 4 consonants, including a double L. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

12
Leave behind, informally: DITCH

DITCH has 5 letters - 1 vowel and 4 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

13
To quickly learn something before an exam: MUGUP

MUGUP has 5 letters - 2 vowels and 3 consonants. It is one of the shortest answers here, so leave it until crossing letters narrow it down.

14
Repeated an earlier verse: REPRISED

REPRISED has 8 letters - 3 vowels and 5 consonants. It reuses letters (8 tiles, 6 distinct), which speeds things up once a few cells are filled.

15
Not affected by time or age: TIMELESS

TIMELESS has 8 letters - 3 vowels and 5 consonants, including a double S. It reuses letters (8 tiles, 6 distinct), which speeds things up once a few cells are filled.

16
Sends in a huff: FIRESOFF

FIRESOFF has 8 letters - 3 vowels and 5 consonants, including a double F. It reuses letters (8 tiles, 6 distinct), which speeds things up once a few cells are filled.

17
Positive indicator on a calculator: PLUSSIGN

PLUSSIGN has 8 letters - 2 vowels and 6 consonants, including a double S. It reuses letters (8 tiles, 7 distinct), which speeds things up once a few cells are filled.

18
Action in reply: COACTION

COACTION has 8 letters - 4 vowels and 4 consonants. It reuses letters (8 tiles, 6 distinct), which speeds things up once a few cells are filled.

19
Polite and kind in behavior or speech: GRACIOUS

GRACIOUS has 8 letters - 4 vowels and 4 consonants.

20
Having a sweet smell: FRAGRANT

FRAGRANT has 8 letters - 2 vowels and 6 consonants. It reuses letters (8 tiles, 6 distinct), which speeds things up once a few cells are filled.

21
Modern airliner: JETPLANE

JETPLANE has 8 letters - 3 vowels and 5 consonants. It reuses letters (8 tiles, 7 distinct), which speeds things up once a few cells are filled.

22
Ghastly, shocking: HORRIFIC

HORRIFIC has 8 letters - 3 vowels and 5 consonants, including a double R. It reuses letters (8 tiles, 6 distinct), which speeds things up once a few cells are filled.

23
Surprised or frightened suddenly: STARTLED

STARTLED has 8 letters - 2 vowels and 6 consonants. It reuses letters (8 tiles, 7 distinct), which speeds things up once a few cells are filled.

24
List of items for a wedding gift: REGISTRY

REGISTRY has 8 letters - 2 vowels and 6 consonants. It reuses letters (8 tiles, 7 distinct), which speeds things up once a few cells are filled.

25
Mental process involved in understanding and consciousness: COGNITION

COGNITION has 9 letters - 4 vowels and 5 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

26
One deliberately treating a serious issue with humor is this: FACETIOUS

FACETIOUS has 9 letters - 5 vowels and 4 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

27
Performing a sword attack in a straight-forward motion: THRUSTING

THRUSTING has 9 letters - 2 vowels and 7 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

28
Write reminders on this: NOTEPAPER

NOTEPAPER has 9 letters - 4 vowels and 5 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

29
A radioactive metallic element, used in nuclear reactors and nuclear bombs: PLUTONIUM

PLUTONIUM has 9 letters - 4 vowels and 5 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

30
Produced artificially: SYNTHETIC

SYNTHETIC has 9 letters - 2 vowels and 7 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

31
Keyboard reed instrument: HARMONIUM

HARMONIUM has 9 letters - 4 vowels and 5 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

32
Can not do it: INCAPABLE

INCAPABLE has 9 letters - 4 vowels and 5 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

33
Retaliation by a state on another's subjects: RETORTION

RETORTION has 9 letters - 4 vowels and 5 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

34
App that changes the value of one currency into another: CONVERTER

CONVERTER has 9 letters - 3 vowels and 6 consonants. It is tied for the longest answer in Level 6639 at 9 letters, so placing it early opens the most crossing letters.

/// STRATEGY ///

Strategy for Level 6639

Level 6639 is part of the Endless Challenge pack (levels 2785-13164). Start with the longest answers (COGNITION, FACETIOUS, THRUSTING, NOTEPAPER, PLUTONIUM, SYNTHETIC, HARMONIUM, INCAPABLE, RETORTION and CONVERTER, all 9 letters) to maximize crossing letters. Browse the full Endless Challenge pack or visit Tips for more strategies.

/// FAQ ///

Frequently Asked Questions

How many clues are in Word Craze Level 6639?
Word Craze Level 6639 contains 34 clues in the Endless Challenge pack.
What is the longest answer in Level 6639?
COGNITION, FACETIOUS, THRUSTING, NOTEPAPER, PLUTONIUM, SYNTHETIC, HARMONIUM, INCAPABLE, RETORTION and CONVERTER are tied as the longest, all 9 letters.
What pack is Level 6639 in?
Level 6639 is in the Endless Challenge pack (levels 2785-13164).
How often are these answers updated?
This level's answers are compiled from the game's level data and reviewed by our editorial team. The page was last updated on August 1, 2026.

/// DISCUSSION ///

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