copovsCPIWhich spelling fits?

Quick tell: copo is a noun, CPI is an abbrev, so they fill different roles in a sentence.

Which to use

“copo” is a noun and “CPI” is an abbrev - they look or sound alike but fill different roles in a sentence.

#3,195
“copo” frequency rank
#8,173
“CPI” frequency rank
11368
confusion score

Side-by-Side Comparison

Feature copo CPI
Definition recipiente, normalmente cilíndrico, do qual podem beber-se líquidos Comissão Parlamentar de Inquérito, espécie de investigação conduzida pelo Poder Legislativo

Where the eye mixes copo and CPI

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
copo
3 ch
CPI

Look-alike desk: copo vs CPI

These two trip readers on the page rather than in the ear: copo is /ˈkɔ.pu/ while CPI is /ce.pe.ˈi/. 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 (noun vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 11368, derived from the frequency rank of both members and their visual similarity.

copo is recorded at frequency rank #3,195, classified as anoun, pronounced /ˈkɔ.pu/. CPI is at rank #8,173, tagged as anabbrev, pronounced /ce.pe.ˈi/.

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 11368, this pair ranks #61,491 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of copo vs CPI

Shared letters: cp. Private to "copo": o. Private to "CPI": i.

"copo" · 4 letters · shape CVCV  ·  "CPI" · 3 letters · shape CCV

Known mistypes of this pair

  • copoccopo · coop · coppo · cpoo · ocpo

Frequently Asked Questions

Is swapping "copo" for "CPI" ever safe?
No - they are not even the same part of speech. "copo" is a noun and "CPI" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "copo" or "CPI" show up more?
"copo" is the more common of the two: it sits at frequency rank #3,195 in our Portuguese list, against #8,173 for "CPI". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "copo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CPI" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,491 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "copo" and "CPI" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs copo". 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 #61,491 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