rumvsrunWhich spelling fits?

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

Which to use

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

#15,451
“rum” frequency rank
#8,681
“run” frequency rank
24132
confusion score

Side-by-Side Comparison

Feature rum run
Definition aguardente obtida da destilação do melaço fermentado correr

Where the eye mixes rum and run

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

3 ch
rum
3 ch
run

Visual trap between rum and run

These two trip readers on the page rather than in the ear: rum is /ˈRũ/ while run is /ˈɹʌn/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - m in “rum” becomes n in “run”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 24132, derived from the frequency rank of both members and their visual similarity.

rum is recorded at frequency rank #15,451, classified as anoun, pronounced /ˈRũ/. run is at rank #8,681, tagged as averb, pronounced /ˈɹʌn/.

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 24132, this pair ranks #45,566 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rum vs run

Shared letters: ru. Private to "rum": m. Private to "run": n.

"rum" · 3 letters · shape CVC  ·  "run" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "rum" for "run" ever safe?
No - they are not even the same part of speech. "rum" is a noun and "run" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "rum" or "run" show up more?
"run" is the more common of the two: it sits at frequency rank #8,681 in our Portuguese list, against #15,451 for "rum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "rum" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "run" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,566 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rum" and "run" also get mixed up with nearby pairs, the highest-scored neighbour is "rum vs rust". Nearby pair

Confusion rank #45,566 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