coptavscosaTell them apart

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

Which to use

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

#45,269
“copta” frequency rank
#31,312
“cosa” frequency rank
76581
confusion score

Side-by-Side Comparison

Feature copta cosa
Definition relacionado aos coptos coisa

Where the eye mixes copta and cosa

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
copta
4 ch
cosa

Visual trap between copta and cosa

These two trip readers on the page rather than in the ear: copta is /ˈkɔp.tɐ/ while cosa is /'kɔ.sa/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 76581, derived from the frequency rank of both members and their visual similarity.

copta is recorded at frequency rank #45,269, classified as anadj, pronounced /ˈkɔp.tɐ/. cosa is at rank #31,312, tagged as anoun, pronounced /'kɔ.sa/.

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 76581, this pair ranks #2,064 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of copta vs cosa

Shared letters: aco. Private to "copta": pt. Private to "cosa": s.

"copta" · 5 letters · shape CVCCV  ·  "cosa" · 4 letters · shape CVCV

Known mistypes of this pair

  • coptaccopta · copat · coppta · coptta · cotpa · cpota · ocpta
  • cosaccosa · cossa · csoa · ocsa

Frequently Asked Questions

Can "copta" and "cosa" be used interchangeably?
No - they are not even the same part of speech. "copta" is an adjective and "cosa" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "copta" or "cosa"?
"cosa" is the more common of the two: it sits at frequency rank #31,312 in our Portuguese list, against #45,269 for "copta". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "copta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cosa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,064 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "copta" and "cosa" also get mixed up with nearby pairs, the highest-scored neighbour is "conca vs copta". 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 #2,064 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