compassvscompostConfusable pair

Which to use

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

#10,517
“compass” frequency rank
#22,041
“compost” frequency rank
32558
confusion score

Side-by-Side Comparison

Feature compass compost
Definition A magnetic or electronic device used to determine the cardinal directions (usually magnetic or true north). The decayed remains of organic matter that has rotted into a natural fertilizer.

Where the eye mixes compass and compost

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
compass
7 ch
compost

Look-alike desk: compass vs compost

A purely visual mix-up. compass (/ˈkʌmpəs/) and compost (/ˈkɒmpɒst/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 32558, 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/. compost is at rank #22,041, tagged as anoun, pronounced /ˈkɒmpɒst/.

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 32558, this pair ranks #336,769 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of compass vs compost

Shared letters: cmops. Private to "compass": a. Private to "compost": t.

"compass" · 7 letters · shape CVCCVCC  ·  "compost" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • compassccompass · cmopass · comapss · commpass · compas · comppass · compsas · copmass
  • compostccompost · cmopost · commpost · comopst · composst · compostt · compots · comppost

Frequently Asked Questions

Can "compass" and "compost" be used interchangeably?
No. They are said differently (/ˈkʌmpəs/ versus /ˈkɒmpɒst/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "compass" vs "compost" - which ranks higher?
"compass" is the more common of the two: it sits at frequency rank #10,517 in our English list, against #22,041 for "compost". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "compost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #336,769 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "compass" and "compost" also get mixed up with nearby pairs, the highest-scored neighbour is "compass vs compels". 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 #336,769 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