Which to use
“compass” is a noun and “compress” is a verb - they look or sound alike but fill different roles in a sentence.
- #10,517
- “compass” frequency rank
- #26,377
- “compress” frequency rank
- 36894
- confusion score
Side-by-Side Comparison
| Feature | compass | compress |
|---|---|---|
| Definition | A magnetic or electronic device used to determine the cardinal directions (usually magnetic or true north). | To make smaller; to press or squeeze together, or to make something occupy a smaller space or volume. |
Where the eye mixes compass and compress
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between compass and compress
These two trip readers on the page rather than in the ear: compass is /ˈkʌmpəs/ while compress is /kəmˈpɹɛs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 36894, derived from the frequency rank of both members and their visual similarity.
compass is recorded at frequency rank #10,517, classified as anoun, pronounced /ˈkʌmpəs/. compress is at rank #26,377, tagged as averb, pronounced /kəmˈpɹɛs/.
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 36894, this pair ranks #299,217 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of compass vs compress
Shared letters: cmops. Private to "compass": a. Private to "compress": er.
"compass" · 7 letters · shape CVCCVCC · "compress" · 8 letters · shape CVCCCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "compass" and "compress" mean the same thing in a sentence?
In ordinary English text, does "compass" or "compress" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "compass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "compress" - compare definitions side by side with the headword page. Word entry
- This pair ranks #299,217 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "compass" and "compress" also get mixed up with nearby pairs, the highest-scored neighbour is "compels vs compress". 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 #299,217 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.