adoçãovsadotarWhich spelling fits?

Quick tell: adoção is a noun, adotar is a verb, so they fill different roles in a sentence.

Which to use

“adoção” is a noun and “adotar” is a verb - they look or sound alike but fill different roles in a sentence.

#5,487
“adoção” frequency rank
#6,258
“adotar” frequency rank
11745
confusion score

Side-by-Side Comparison

Feature adoção adotar
Definition ação ou resultado de adotar, de aceitar (alguém ou algo) assumir para si a responsabilidade jurídica de criar (criança ou adolescente):

Where the eye mixes adoção and adotar

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. adoção (VCVCVV) and adotar (VCVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
adoção
6 ch
adotar

Visual trap between adoção and adotar

These two trip readers on the page rather than in the ear: adoção is /a.doˈsɐ̃w̃/ while adotar is /ɐ.dɔ.ˈtaɾ/, /ɐ.dɔ.ˈta/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 11745, derived from the frequency rank of both members and their visual similarity.

adoção is recorded at frequency rank #5,487, classified as anoun, pronounced /a.doˈsɐ̃w̃/. adotar is at rank #6,258, tagged as averb, pronounced /ɐ.dɔ.ˈtaɾ/, /ɐ.dɔ.ˈta/.

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 11745, this pair ranks #61,047 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of adoção vs adotar

Shared letters: ado. Private to "adoção": ãç. Private to "adotar": rt.

"adoção" · 6 letters · shape VCVCVV  ·  "adotar" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • adotar ← addotar · adoatr · adotarr · adotra · adottar · adtoar · aodtar · daotar

Frequently Asked Questions

Is swapping "adoção" for "adotar" ever safe?
No - they are not even the same part of speech. "adoção" is a noun and "adotar" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "adoção" vs "adotar" - which ranks higher?
"adoção" is the more common of the two: it sits at frequency rank #5,487 in our Portuguese list, against #6,258 for "adotar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "adoção" and "adotar" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "adoção" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adotar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,047 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "adoção" and "adotar" also get mixed up with nearby pairs, the highest-scored neighbour is "adotar vs arrotar". 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 #61,047 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