compressvscomprisesConfusable pair

Which to use

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

#26,377
“compress” frequency rank
#8,914
“comprises” frequency rank
35291
confusion score

Side-by-Side Comparison

Feature compress comprises
Definition To make smaller; to press or squeeze together, or to make something occupy a smaller space or volume. third-person singular simple present indicative of comprise

Where the eye mixes compress and comprises

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
compress
9 ch
comprises

Visual trap between compress and comprises

A purely visual mix-up. compress (/kəmˈpɹɛs/) and comprises (/kəmˈpɹaɪzɪz/) 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 35291, derived from the frequency rank of both members and their visual similarity.

compress is recorded at frequency rank #26,377, classified as averb, pronounced /kəmˈpɹɛs/. comprises is at rank #8,914, tagged as averb, pronounced /kəmˈpɹaɪzɪz/.

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 35291, this pair ranks #313,223 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of compress vs comprises

Shared letters: cemoprs. Private to "compress": -. Private to "comprises": i.

"compress" · 8 letters · shape CVCCCVCC  ·  "comprises" · 9 letters · shape CVCCCVCVC

Known mistypes of this pair

  • compressccompress · cmopress · commpress · comperss · comppress · compres · comprress · comprses
  • comprisesccomprises · cmoprises · commprises · compirses · compprises · compriess · comprisess · comprisse

Frequently Asked Questions

Is swapping "compress" for "comprises" ever safe?
No. They are said differently (/kəmˈpɹɛs/ versus /kəmˈpɹaɪzɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "compress" or "comprises"?
"comprises" is the more common of the two: it sits at frequency rank #8,914 in our English list, against #26,377 for "compress". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "compress" and "comprises" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "compress" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "comprises" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #313,223 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "compress" and "comprises" 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 #313,223 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