capervscapsTell them apart

Which to use

“caper” and “caps” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#34,418
“caper” frequency rank
#5,580
“caps” frequency rank
39998
confusion score

Side-by-Side Comparison

Feature caper caps
Definition A playful leap or jump. plural of cap

Where the eye mixes caper and caps

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
caper
4 ch
caps

Look-alike desk: caper vs caps

A purely visual mix-up. caper (/ˈkeɪpɚ/) and caps (/kæps/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 39998, derived from the frequency rank of both members and their visual similarity.

caper is recorded at frequency rank #34,418, classified as anoun, pronounced /ˈkeɪpɚ/. caps is at rank #5,580, tagged as anoun, pronounced /kæps/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 39998, this pair ranks #271,581 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caper vs caps

Shared letters: acp. Private to "caper": er. Private to "caps": s.

"caper" · 5 letters · shape CVCVC  ·  "caps" · 4 letters · shape CVCC

Known mistypes of this pair

  • caperacper · caepr · caperr · capper · capre · ccaper · cpaer
  • capsacps · capps · capss · casp · ccaps · cpas

Frequently Asked Questions

Is swapping "caper" for "caps" ever safe?
No. They are said differently (/ˈkeɪpɚ/ versus /kæps/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "caper" or "caps"?
"caps" is the more common of the two: it sits at frequency rank #5,580 in our English list, against #34,418 for "caper". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "caper" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caps" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #271,581 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "caper" and "caps" also get mixed up with nearby pairs, the highest-scored neighbour is "caper vs cower". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #271,581 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list