uvsuhWhat's the difference?

Quick tell: u is a character, uh is an intj, so they fill different roles in a sentence.

Which to use

“u” is a character and “uh” is an intj - they look or sound alike but fill different roles in a sentence.

#648
“u” frequency rank
#6,021
“uh” frequency rank
6669
confusion score

Side-by-Side Comparison

Feature u uh
Definition Vigesimosegunda letra del alfabeto español y quinta vocal. Su nombre es u₂. Denota desilusión o desdén.

Same sound, different letters: u vs uh

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 1 letter.

1 ch
u
2 ch
uh

Homophone desk: u vs uh

Say them out loud and nothing separates them: u and uh carry the same recorded pronunciation, [u]. Grammar is what tells them apart: one is acharacter, the other anintj, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “u” sits inside “uh”. Our composite confusion score for this pair is 6669, derived from the frequency rank of both members and their visual similarity.

u is recorded at frequency rank #648, classified as acharacter, pronounced [u]. uh is at rank #6,021, tagged as anintj, pronounced [ˈu].

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 6669, this pair ranks #310,121 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of u vs uh

Shared letters: u. Private to "u": -. Private to "uh": h.

"u" · 1 letters · shape V  ·  "uh" · 2 letters · shape VC

Frequently Asked Questions

Can "u" and "uh" be used interchangeably?
No - they are not even the same part of speech. "u" is a character and "uh" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "u" or "uh" show up more?
"u" is the more common of the two: it sits at frequency rank #648 in our Spanish list, against #6,021 for "uh". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "u" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "uh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #310,121 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "u" and "uh" also get mixed up with nearby pairs, the highest-scored neighbour is "uh vs UPN". Nearby pair

Confusion rank #310,121 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