consvsCRSWhich spelling fits?

Quick tell: cons is a noun, CRS is a phrase, so they fill different roles in a sentence.

Which to use

“cons” is a noun and “CRS” is a phrase - they look or sound alike but fill different roles in a sentence.

#10,183
“cons” frequency rank
#32,751
“CRS” frequency rank
42934
confusion score

Side-by-Side Comparison

Feature cons CRS
Definition A data structure in Lisp that is a pair of pointers, car and cdr, used mainly for lists. Initialism of can't remember shit.

Letter map: cons vs CRS

Shared letters muted; letters that set cons and CRS apart highlighted. Shared run: 2.

4 ch
cons
3 ch
CRS

Grammar separator: cons vs CRS

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cons is anoun and CRSaphrase. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42934, derived from the frequency rank of both members and their visual similarity.

cons is recorded at frequency rank #10,183, classified as anoun, pronounced /ˈkɑnz/. CRS is at rank #32,751, tagged as aphrase.

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 42934, this pair ranks #244,775 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cons vs CRS

Shared letters: cs. Private to "cons": no. Private to "CRS": r.

"cons" · 4 letters · shape CVCC  ·  "CRS" · 3 letters · shape CCC

Known mistypes of this pair

  • consccons · cnos · conns · conss · cosn · ocns

Frequently Asked Questions

Can "cons" and "CRS" be used interchangeably?
No - they are not even the same part of speech. "cons" is a noun and "CRS" a phrase, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "cons" or "CRS" show up more?
"cons" is the more common of the two: it sits at frequency rank #10,183 in our English list, against #32,751 for "CRS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "cons" and "CRS". Here's where to go from here.

  • Full dictionary entry for "cons" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CRS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #244,775 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cons" and "CRS" also get mixed up with nearby pairs, the highest-scored neighbour is "Crist vs CRS". 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 #244,775 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