compassionvscompressionWhich spelling fits?

Which to use

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

#7,664
“compassion” frequency rank
#9,304
“compression” frequency rank
16968
confusion score

Side-by-Side Comparison

Feature compassion compression
Definition Deep awareness of the suffering of others that people have to the point of them being motivated to relieve such states. An increase in density; the act of compressing, or the state of being compressed; compaction.

Where the eye mixes compassion and compression

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

10 ch
compassion
11 ch
compression

Visual trap between compassion and compression

A purely visual mix-up. compassion (/kəmˈpæʃ.ən/) and compression (/kəmˈpɹɛʃ.ən/) 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 16968, derived from the frequency rank of both members and their visual similarity.

compassion is recorded at frequency rank #7,664, classified as anoun, pronounced /kəmˈpæʃ.ən/. compression is at rank #9,304, tagged as anoun, pronounced /kəmˈpɹɛʃ.ən/.

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 16968, this pair ranks #454,448 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of compassion vs compression

Shared letters: cimnops. Private to "compassion": a. Private to "compression": er.

"compassion" · 10 letters · shape CVCCVCCVVC  ·  "compression" · 11 letters · shape CVCCCVCCVVC

Known mistypes of this pair

  • compassionccompassion · cmopassion · comapssion · commpassion · compasion · compasison · compassino · compassionn
  • compressionccompression · cmopression · commpression · comperssion · comppression · compresion · compresison · compressino

Frequently Asked Questions

Do "compassion" and "compression" mean the same thing in a sentence?
No. They are said differently (/kəmˈpæʃ.ən/ versus /kəmˈpɹɛʃ.ən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "compassion" or "compression"?
"compassion" is the more common of the two: it sits at frequency rank #7,664 in our English list, against #9,304 for "compression". 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 "compassion" and "compression" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "compassion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "compression" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #454,448 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "compassion" and "compression" also get mixed up with nearby pairs, the highest-scored neighbour is "compression vs compressive". 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 #454,448 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