vsruaTell them apart

Quick tell: is a noun, rua is an intj, so they fill different roles in a sentence.

Which to use

“rã” is a noun and “rua” is an intj - they look or sound alike but fill different roles in a sentence.

#28,019
“rã” frequency rank
#420
“rua” frequency rank
28439
confusion score

Side-by-Side Comparison

Feature rua
Definition anfíbio da ordem dos anuros que possui pele lisa; geralmente, da família dos ranídeos fora!, gire! - ordem enérgica para deixar o recinto onde se está

Where the eye mixes rã and rua

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
rã
3 ch
rua

Look-alike desk: rã vs rua

These two trip readers on the page rather than in the ear: is /ˈχã/ while rua is /ˈRuɐ/. 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 intj), which is usually the fastest check. Our composite confusion score for this pair is 28439, derived from the frequency rank of both members and their visual similarity.

is recorded at frequency rank #28,019, classified as anoun, pronounced /ˈχã/. rua is at rank #420, tagged as anintj, pronounced /ˈRuɐ/.

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 28439, this pair ranks #40,370 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rã vs rua

Shared letters: r. Private to "rã": ã. Private to "rua": au.

"rã" · 2 letters · shape CV  ·  "rua" · 3 letters · shape CVV

Frequently Asked Questions

Can "rã" and "rua" be used interchangeably?
No - they are not even the same part of speech. "rã" is a noun and "rua" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "rã" vs "rua" - which ranks higher?
"rua" is the more common of the two: it sits at frequency rank #420 in our Portuguese list, against #28,019 for "rã". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "rã" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rua" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #40,370 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rã" and "rua" also get mixed up with nearby pairs, the highest-scored neighbour is "rã vs rabi". Nearby pair

Confusion rank #40,370 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