últimosvsunimosWhat's the difference?

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

Which to use

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

#677
“últimos” frequency rank
#21,861
“unimos” frequency rank
22538
confusion score

Side-by-Side Comparison

Feature últimos unimos
Definition Forma del plural de último. Primera persona del plural (nosotros, nosotras) del presente de indicativo de unir o de unirse.

Where the eye mixes últimos and unimos

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. últimos runs 7 letters (VCCVCVC) against unimos's 6 (VCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
últimos
6 ch
unimos

Visual trap between últimos and unimos

These two trip readers on the page rather than in the ear: últimos is [ˈul̪t̪imos] while unimos is [uˈnimos]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 22538, derived from the frequency rank of both members and their visual similarity.

últimos is recorded at frequency rank #677, classified as anoun, pronounced [ˈul̪t̪imos]. unimos is at rank #21,861, tagged as averb, pronounced [uˈnimos].

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 22538, this pair ranks #249,859 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of últimos vs unimos

Shared letters: imos. Private to "últimos": ltú. Private to "unimos": nu.

"últimos" · 7 letters · shape VCCVCVC  ·  "unimos" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • unimos ← nuimos · uinmos · unimmos · unimoss · unimso · unioms · unmios · unnimos

Frequently Asked Questions

Is swapping "últimos" for "unimos" ever safe?
No - they are not even the same part of speech. "últimos" is a noun and "unimos" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "últimos" or "unimos"?
"últimos" is the more common of the two: it sits at frequency rank #677 in our Spanish list, against #21,861 for "unimos". 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 "últimos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "unimos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #249,859 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "últimos" and "unimos" also get mixed up with nearby pairs, the highest-scored neighbour is "unamos vs unimos". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #249,859 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