cisvscomsWhat's the difference?

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

Which to use

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

#13,115
“cis” frequency rank
#48,668
“coms” frequency rank
61783
confusion score

Side-by-Side Comparison

Feature cis coms
Definition Having two mutations on two genes on the same chromosome of a homologous pair. Combinations (underwear).

Letter map: cis vs coms

Shared letters muted; letters that set cis and coms apart highlighted. Shared run: 2.

3 ch
cis
4 ch
coms

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cis is anadjective and comsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 61783, derived from the frequency rank of both members and their visual similarity.

cis is recorded at frequency rank #13,115, classified as anadj, pronounced /sɪs/. coms is at rank #48,668, tagged as anoun.

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 61783, this pair ranks #92,241 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of cis vs coms

Shared letters: cs. Private to "cis": i. Private to "coms": mo.

"cis" · 3 letters · shape CVC  ·  "coms" · 4 letters · shape CVCC

Known mistypes of this pair

  • comsccoms · comms · comss · cosm · ocms

Frequently Asked Questions

Can "cis" and "coms" be used interchangeably?
No - they are not even the same part of speech. "cis" is an adjective and "coms" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cis" or "coms"?
"cis" is the more common of the two: it sits at frequency rank #13,115 in our English list, against #48,668 for "coms". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list