coinvscoisaWhich spelling fits?

Which to use

“coin” and “coisa” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#41,891
“coin” frequency rank
#105
“coisa” frequency rank
41996
confusion score

Side-by-Side Comparison

Feature coin coisa
Definition plural de cù qualquer objeto inanimado; em sentido filosófico, coisa é tudo aquilo subsistente por si mesmo; a filosofia kantiana afirma ser uma coisa aquilo que existe independentemente do espírito; no sentido usual, como para o Direito, coisa é tudo aquilo que, percebido pelos sentidos, pode apresentar utilidade para o homem, caso em que se chama bem material

Where the eye mixes coin and coisa

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. coin runs 4 letters (CVVC) against coisa's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
coin
5 ch
coisa

Visual trap between coin and coisa

A purely visual mix-up. coin (/konʲ/) and coisa ([ˈkojzɐ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41996, derived from the frequency rank of both members and their visual similarity.

coin is recorded at frequency rank #41,891, classified as anoun, pronounced /konʲ/. coisa is at rank #105, tagged as anoun, pronounced [ˈkojzɐ].

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 41996, this pair ranks #23,844 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of coin vs coisa

Shared letters: cio. Private to "coin": n. Private to "coisa": as.

"coin" · 4 letters · shape CVVC  ·  "coisa" · 5 letters · shape CVVCV

Known mistypes of this pair

  • coin ← ccoin · cion · coinn · coni · ocin
  • coisa ← ccoisa · ciosa · coias · coissa · cosia · ocisa

Frequently Asked Questions

Do "coin" and "coisa" mean the same thing in a sentence?
No. They are said differently (/konʲ/ versus [ˈkojzɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "coin" vs "coisa" - which ranks higher?
"coisa" is the more common of the two: it sits at frequency rank #105 in our Portuguese list, against #41,891 for "coin". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "coin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coisa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,844 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "coin" and "coisa" also get mixed up with nearby pairs, the highest-scored neighbour is "coice vs coin". 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 #23,844 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