cashvscosWhich spelling fits?

Quick tell: cash is a noun, cos is a pronoun, so they fill different roles in a sentence.

Which to use

“cash” is a noun and “cos” is a pronoun - they look or sound alike but fill different roles in a sentence.

#15,755
“cash” frequency rank
#27,810
“cos” frequency rank
43565
confusion score

Side-by-Side Comparison

Feature cash cos
Definition dinheiro em espécie (notas, moedas) qualquer coisa

Letter map: cash vs cos

Shared letters muted; letters that set cash and cos apart highlighted. Shared run: 2. cash runs 4 letters (CVCC) against cos's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
cash
3 ch
cos

Grammar separator: cash vs cos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cash is anoun and cosapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43565, derived from the frequency rank of both members and their visual similarity.

cash is recorded at frequency rank #15,755, classified as anoun, pronounced /kæʃ/. cos is at rank #27,810, tagged as apron.

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 43565, this pair ranks #22,049 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cash vs cos

Shared letters: cs. Private to "cash": ah. Private to "cos": o.

"cash" · 4 letters · shape CVCC  ·  "cos" · 3 letters · shape CVC

Known mistypes of this pair

  • cash ← acsh · cahs · cashh · cassh · ccash · csah

Frequently Asked Questions

Do "cash" and "cos" mean the same thing in a sentence?
No - they are not even the same part of speech. "cash" is a noun and "cos" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "cash" vs "cos" - which ranks higher?
"cash" is the more common of the two: it sits at frequency rank #15,755 in our Portuguese list, against #27,810 for "cos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "cash" and "cos".

  • Full dictionary entry for "cash" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #22,049 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cash" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "coin vs cos". 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 #22,049 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list