commonvsConlonTell them apart

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

Which to use

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

#631
“common” frequency rank
#40,182
“Conlon” frequency rank
40813
confusion score

Side-by-Side Comparison

Feature common Conlon
Definition Mutual; shared by more than one. A surname from Irish.

Letter map: common vs Conlon

Shared letters muted; letters that set common and Conlon apart highlighted. Shared run: 4.

6 ch
common
6 ch
Conlon

Role in the sentence - common and Conlon

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: common is anadjective and Conlonaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40813, derived from the frequency rank of both members and their visual similarity.

common is recorded at frequency rank #631, classified as anadj, pronounced /ˈkɒm.ən/. Conlon is at rank #40,182, tagged as aname.

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 40813, this pair ranks #264,172 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of common vs Conlon

Shared letters: cno. Private to "common": m. Private to "Conlon": l.

"common" · 6 letters · shape CVCCVC  ·  "Conlon" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • commonccommon · cmomon · commno · commonn · comomn · comon · ocmmon
  • Conloncconlon · cnolon · colnon · conllon · conlno · conlonn · connlon · conoln

Frequently Asked Questions

Can "common" and "Conlon" be used interchangeably?
No - they are not even the same part of speech. "common" is an adjective and "Conlon" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "common" or "Conlon" show up more?
"common" is the more common of the two: it sits at frequency rank #631 in our English list, against #40,182 for "Conlon". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "common" vs "Conlon" is on the table, pick a follow-up below.

  • Full dictionary entry for "common" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Conlon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #264,172 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "common" and "Conlon" also get mixed up with nearby pairs, the highest-scored neighbour is "Colson vs Conlon". 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 #264,172 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