rã vs rum, What's the Difference?

Which to use

“rã” and “rum” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,019
“rã” frequency rank: #15,451
“rum” frequency rank: 43470
confusion score

Side-by-Side Comparison

Feature	rã	rum
Definition	anfíbio da ordem dos anuros que possui pele lisa; geralmente, da família dos ranídeos	aguardente obtida da destilação do melaço fermentado

Where the eye mixes rã and rum

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

2 ch

rã

3 ch

rum

Visual trap between rã and rum

A purely visual mix-up. rã (/ˈχã/) and rum (/ˈRũ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43470, derived from the frequency rank of both members and their visual similarity.

rã is recorded at frequency rank #28,019, classified as anoun, pronounced /ˈχã/. rum is at rank #15,451, tagged as anoun, pronounced /ˈRũ/.

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 43470, this pair ranks #22,166 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rã vs rum

Shared letters: r. Private to "rã": ã. Private to "rum": mu.

"rã" · 2 letters · shape CV · "rum" · 3 letters · shape CVC

Frequently Asked Questions

Can "rã" and "rum" be used interchangeably?

No. They are said differently (/ˈχã/ versus /ˈRũ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "rã" vs "rum" - which ranks higher?

"rum" is the more common of the two: it sits at frequency rank #15,451 in our Portuguese list, against #28,019 for "rã". 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 "rã" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "rum" - compare definitions side by side with the headword page. Word entry
This pair ranks #22,166 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"rã" and "rum" also get mixed up with nearby pairs, the highest-scored neighbour is "rã vs rabi". Nearby pair

Confusion rank #22,166 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.