6-letter words with C as the 3rd letter and U as the 5th letter
6-letter words with C third and U fifth total 40 matches, including backup, vacuum, pickup, and cactus.
4 of 40 are everyday words (10%). A mix of familiar words and game-only finds.
With C in 3rd place, E is the most common 5th letter (265 words). The bar under each letter shows the size of its list.
Best words to play first
- BACKUP16
- VACUUM13
- PICKUP16
- CACTUS10
- RECOUP10
- ACCRUE10
- HICCUP15
- RUCKUS12
- MUCOUS10
- LYCEUM13
- LOCKUP14
- MOCKUP16
- DICTUM11
- SACRUM10
- RECTUS8
- NOCTUA8
- RICTUS8
- FACTUM13
- TECTUM10
- COCCUS12
- COCKUP16
- FACEUP13
- PACTUM12
- TUCHUS11
- TUCHUN11
- FICHUS14
- CYCLUS13
- BUCKUS14
- SACQUE17
- SUCCUS10
- AECIUM10
- BUCHUS13
- FUCOUS11
- KICKUP18
- LACMUS10
- MUCLUC12
- NICKUM14
- SACBUT10
All valid words 40
- ACCRUE10
- AECIUM10
- BACKUP16
- BUCHUS13
- BUCKUS14
- CACTUS10
- COCCUS12
- COCKUP16
- CYCLUS13
- DICTUM11
- FACEUP13
- FACTUM13
- FICHUS14
- FUCKUP17
- FUCOUS11
- HICCUP15
- KICKUP18
- LACMUS10
- LOCKUP14
- LYCEUM13
- MOCKUP16
- MUCLUC12
- MUCOUS10
- NICKUM14
- NOCTUA8
- PACTUM12
- PICKUP16
- RECOUP10
- RECTUM10
- RECTUS8
- RICTUS8
- RUCKUS12
- SACBUT10
- SACQUE17
- SACRUM10
- SUCCUS10
- TECTUM10
- TUCHUN11
- TUCHUS11
- VACUUM13
Highest-scoring words
The pattern is _ _ C _ U _, so the third and fifth positions are fixed while the other four letters stay open. Familiar options include backup, vacuum, pickup, and cactus, but only four matches count as common. That gap matters: a short, recognizable answer list sits inside a much larger tournament-dictionary group.
At a glance: a tight pattern with varied endings
- There are 40 six-letter matches for C in position three and U in position five.
- BACKUP, VACUUM, PICKUP, and CACTUS are recognizable examples.
- Only four matches are common, so expect many less familiar entries.
- Fourteen words end in S; M and P each finish ten.
- KICKUP leads the listed tile scores at 18 points.
6-letter words with C third and U fifth
The 40 matches are not spread evenly across their final letters. S is the clear leader with 14 words, while M and P tie at ten apiece. If your last letter is still unknown, testing those three endings first gives you the strongest starting shortlist.
The opening letters are more mixed: F and R each begin five matches, while C and S each begin four. Try familiar combinations such as BACKUP, PICKUP, or VACUUM before reaching for obscure entries. The pattern is much tighter than six-letter words with C third and E fifth, which have 265 matches.
Which matches work across word-game dictionaries?
Collins includes 39 matches, compared with 32 in NWL2023 and 30 in ENABLE. Those counts differ, so a word accepted in one game may not be accepted in another. Check your game's word list when a less familiar answer is the only fit.
For tile-score play, KICKUP scores 18, ahead of BACKUP, PICKUP, MOCKUP, and COCKUP at 16 each. The less familiar high scorer is not automatically the best board move: letter multipliers and placement still matter. A common word crossing a premium square can outscore a higher base-value choice.
How should you narrow the pattern?
Keep C and U fixed, then test S, M, or P as the last letter: together, those endings account for 34 of the 40 matches. Start with everyday candidates such as backup or pickup.
Questions people ask
How many six-letter words have C third and U fifth?
What is the highest-scoring word in this pattern?
Which last letters are most common in these matches?
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