Which to use
“catfish” and “crayfish” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,266
- “catfish” frequency rank
- #34,845
- “crayfish” frequency rank
- 53111
- confusion score
Side-by-Side Comparison
| Feature | catfish | crayfish |
|---|---|---|
| Definition | Any fish of the order Siluriformes, mainly found in fresh water, lacking scales, and having barbels like whiskers around the mouth. | Any of numerous freshwater decapod crustaceans in superfamily Astacoidea or Parastacoidea, resembling the related lobster but usually much smaller. |
Where the eye mixes catfish and crayfish
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: catfish vs crayfish
A purely visual mix-up. catfish (/ˈkætfɪʃ/) and crayfish (/ˈkɹeɪˌfɪʃ/) 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 53111, derived from the frequency rank of both members and their visual similarity.
catfish is recorded at frequency rank #18,266, classified as anoun, pronounced /ˈkætfɪʃ/. crayfish is at rank #34,845, tagged as anoun, pronounced /ˈkɹeɪˌfɪʃ/.
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 53111, this pair ranks #151,618 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of catfish vs crayfish
Shared letters: acfhis. Private to "catfish": t. Private to "crayfish": ry.
"catfish" · 7 letters · shape CVCCVCC · "crayfish" · 8 letters · shape CCVVCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "catfish" for "crayfish" ever safe?
Frequency check: "catfish" vs "crayfish" - which ranks higher?
What to do next
Eye-level mix-up between "catfish" and "crayfish" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "catfish" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "crayfish" - compare definitions side by side with the headword page. Word entry
- This pair ranks #151,618 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "catfish" and "crayfish" also get mixed up with nearby pairs, the highest-scored neighbour is "crawfish vs crayfish". 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 #151,618 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.