ríovsrumConfusable pair

Which to use

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

#698
“río” frequency rank
#42,680
“rum” frequency rank
43378
confusion score

Side-by-Side Comparison

Feature río rum
Definition Corriente de agua de caudal importante que discurre por tierra desde un manantial, una masa de hielos o un lago. Ron.

Where the eye mixes río and rum

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

3 ch
río
3 ch
rum

Why the eye confuses río with rum

A purely visual mix-up. río ([ˈrio]) and rum ([rʌm]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43378, derived from the frequency rank of both members and their visual similarity.

río is recorded at frequency rank #698, classified as anoun, pronounced [ˈrio]. rum is at rank #42,680, tagged as anoun, pronounced [rʌm].

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 43378, this pair ranks #142,977 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of río vs rum

Shared letters: r. Private to "río": . Private to "rum": mu.

"río" · 3 letters · shape CVV  ·  "rum" · 3 letters · shape CVC

Frequently Asked Questions

Can "río" and "rum" be used interchangeably?
No. They are said differently ([ˈrio] versus [rʌm]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "río" or "rum"?
"río" is the more common of the two: it sits at frequency rank #698 in our Spanish list, against #42,680 for "rum". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "río" and "rum" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "río" 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 #142,977 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "río" and "rum" also get mixed up with nearby pairs, the highest-scored neighbour is "rulo vs rum". Nearby pair

Confusion rank #142,977 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list