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.

#12,492
“rum” frequency rank
#309
“run” frequency rank
12801
confusion score

Side-by-Side Comparison

Feature rum run
Definition A spirit distilled from various preparations of sugarcane, particularly fermented cane sugar and molasses. To move swiftly.

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 /ɹʌm/ while run is /ɹʌn/. 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 12801, derived from the frequency rank of both members and their visual similarity.

rum is recorded at frequency rank #12,492, classified as anoun, pronounced /ɹʌm/. run is at rank #309, tagged as averb, pronounced /ɹʌn/.

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 12801, this pair ranks #479,484 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

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 English text, does "rum" or "run" show up more?
"run" is the more common of the two: it sits at frequency rank #309 in our English list, against #12,492 for "rum". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 #479,484 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "rum" and "run" also get mixed up with nearby pairs, the highest-scored neighbour is "Rua vs rum". Nearby pair

Confusion rank #479,484 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list