uanvsunoTell them apart

Quick tell: uan is a conjunction, uno is a num, so they fill different roles in a sentence.

Which to use

“uan” is a conjunction and “uno” is a num - they look or sound alike but fill different roles in a sentence.

#44,497
“uan” frequency rank
#77
“uno” frequency rank
44574
confusion score

Side-by-Side Comparison

Feature uan uno
Definition Y. La cantidad de una cosa solitaria (a saber, sin otros).

Where the eye mixes uan and uno

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

3 ch
uan
3 ch
uno

Visual trap between uan and uno

These two trip readers on the page rather than in the ear: uan is /ˈwan/ while uno is [ˈuno]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (conjunction vs num), which is usually the fastest check. Our composite confusion score for this pair is 44574, derived from the frequency rank of both members and their visual similarity.

uan is recorded at frequency rank #44,497, classified as aconj, pronounced /ˈwan/. uno is at rank #77, tagged as anum, pronounced [ˈuno].

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 44574, this pair ranks #136,283 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of uan vs uno

Shared letters: nu. Private to "uan": a. Private to "uno": o.

"uan" · 3 letters · shape VVC  ·  "uno" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "uan" for "uno" ever safe?
No - they are not even the same part of speech. "uan" is a conjunction and "uno" a num, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "uan" vs "uno" - which ranks higher?
"uno" is the more common of the two: it sits at frequency rank #77 in our Spanish list, against #44,497 for "uan". 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 "uan" and "uno" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "uan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "uno" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #136,283 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "uan" and "uno" also get mixed up with nearby pairs, the highest-scored neighbour is "uan vs UPN". Nearby pair

Confusion rank #136,283 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