commonvscommuWhich spelling fits?

Quick tell: common is a adjective, commu is a noun, so they fill different roles in a sentence.

Which to use

“common” is an adjective and “commu” is a noun - they look or sound alike but fill different roles in a sentence.

#23,141
“common” frequency rank
#39,714
“commu” frequency rank
62855
confusion score

Side-by-Side Comparison

Feature common commu
Definition Commun. Communauté (en particulier sur Internet).

Where the eye mixes common and commu

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
common
5 ch
commu

Visual trap between common and commu

These two trip readers on the page rather than in the ear: common is \ˈkɑ.mən\ while commu is \kɔ.my\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 62855, derived from the frequency rank of both members and their visual similarity.

common is recorded at frequency rank #23,141, classified as anadj, pronounced \ˈkɑ.mən\. commu is at rank #39,714, tagged as anoun, pronounced \kɔ.my\.

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 62855, this pair ranks #84,915 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of common vs commu

Shared letters: cmo. Private to "common": n. Private to "commu": u.

"common" · 6 letters · shape CVCCVC  ·  "commu" · 5 letters · shape CVCCV

Known mistypes of this pair

  • commonccommon · cmomon · commno · commonn · comomn · comon · ocmmon
  • commuccommu · cmomu · comu · comum · ocmmu

Frequently Asked Questions

Can "common" and "commu" be used interchangeably?
No - they are not even the same part of speech. "common" is an adjective and "commu" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "common" vs "commu" - which ranks higher?
"common" is the more common of the two: it sits at frequency rank #23,141 in our French list, against #39,714 for "commu". 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 "common" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "commu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #84,915 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "common" and "commu" also get mixed up with nearby pairs, the highest-scored neighbour is "commu vs compo". 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 #84,915 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list