mamãovsmansãoWhich spelling fits?

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

Which to use

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

#23,399
“mamão” frequency rank
#6,672
“mansão” frequency rank
30071
confusion score

Side-by-Side Comparison

Feature mamão mansão
Definition que mama muito morada

Letter map: mamão vs mansão

Shared letters muted; letters that set mamão and mansão apart highlighted. Shared run: 4. mamão runs 5 letters (CVCVV) against mansão's 6 (CVCCVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
mamão
6 ch
mansão

Part-of-speech tell for mamão / mansão

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mamão is anadjective and mansãoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 30071, derived from the frequency rank of both members and their visual similarity.

mamão is recorded at frequency rank #23,399, classified as anadj. mansão is at rank #6,672, tagged as anoun, pronounced /mɐ̃.ˈsɐ̃w̃/.

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 30071, this pair ranks #38,381 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mamão vs mansão

Shared letters: amoã. Private to "mamão": -. Private to "mansão": ns.

"mamão" · 5 letters · shape CVCVV  ·  "mansão" · 6 letters · shape CVCCVV

Frequently Asked Questions

Is swapping "mamão" for "mansão" ever safe?
No - they are not even the same part of speech. "mamão" is an adjective and "mansão" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "mamão" or "mansão" show up more?
"mansão" is the more common of the two: it sits at frequency rank #6,672 in our Portuguese list, against #23,399 for "mamão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "mamão" and "mansão". Here's where to go from here.

  • Full dictionary entry for "mamão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mansão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #38,381 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mamão" and "mansão" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mamão". Nearby pair

Confusion rank #38,381 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