Which to use
“caper” and “caster” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,418
- “caper” frequency rank
- #25,312
- “caster” frequency rank
- 59730
- confusion score
Side-by-Side Comparison
| Feature | caper | caster |
|---|---|---|
| Definition | A playful leap or jump. | Someone or something that casts. |
Where the eye mixes caper and caster
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. caper runs 5 letters (CVCVC) against caster's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses caper with caster
A purely visual mix-up. caper (/ˈkeɪpɚ/) and caster (/ˈkɑːstə(ɹ)/) 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 59730, 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/. caster is at rank #25,312, tagged as anoun, pronounced /ˈkɑːstə(ɹ)/.
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 59730, this pair ranks #104,426 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of caper vs caster
Shared letters: acer. Private to "caper": p. Private to "caster": st.
"caper" · 5 letters · shape CVCVC · "caster" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "caper" and "caster" mean the same thing in a sentence?
In ordinary English text, does "caper" or "caster" show up more?
What to do next
Eye-level mix-up between "caper" and "caster" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "caper" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "caster" - compare definitions side by side with the headword page. Word entry
- This pair ranks #104,426 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "caper" and "caster" 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 #104,426 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.