Which to use
“crab” and “crap” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,185
- “crab” frequency rank
- #3,613
- “crap” frequency rank
- 13798
- confusion score
Side-by-Side Comparison
| Feature | crab | crap |
|---|---|---|
| Definition | Any crustacean of the infraorder Brachyura, having five pairs of legs, the foremost of which are in the form of claws, and a carapace. | The husk of grain; chaff. |
Where the eye mixes crab and crap
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses crab with crap
A purely visual mix-up. crab (/kɹæb/) and crap (/kɹæp/) 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 a single letter - b in “crab” becomes p in “crap”. Our composite confusion score for this pair is 13798, derived from the frequency rank of both members and their visual similarity.
crab is recorded at frequency rank #10,185, classified as anoun, pronounced /kɹæb/. crap is at rank #3,613, tagged as anoun, pronounced /kɹæp/.
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 13798, this pair ranks #473,766 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of crab vs crap
Shared letters: acr. Private to "crab": b. Private to "crap": p.
"crab" · 4 letters · shape CCVC · "crap" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Do "crab" and "crap" mean the same thing in a sentence?
In ordinary English text, does "crab" or "crap" show up more?
After this comparison
Eye-level mix-up between "crab" and "crap" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "crab" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "crap" - compare definitions side by side with the headword page. Word entry
- This pair ranks #473,766 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "crab" and "crap" also get mixed up with nearby pairs, the highest-scored neighbour is "crab vs Croat". 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 #473,766 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.