us vs UU, What's the Difference?

Which to use

“us” is a pronoun and “UU” is a noun - they look or sound alike but fill different roles in a sentence.

#95
“us” frequency rank: #41,937
“UU” frequency rank: 42032
confusion score

Side-by-Side Comparison

Feature	us	UU
Definition	Me and at least one other person, excluding the person(s) being addressed. (exclusive us.)	Initialism of Unitarian Universalist.

Letter map: us vs UU

Shared letters muted; letters that set us and UU apart highlighted. Shared run: 1.

2 ch

Grammar separator: us vs UU

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: us is apronoun and UUanoun. On the page they differ by a single letter - s in “us” becomes u in “UU”. Our composite confusion score for this pair is 42032, derived from the frequency rank of both members and their visual similarity.

us is recorded at frequency rank #95, classified as apron, pronounced /əs/. UU is at rank #41,937, tagged as anoun.

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 42032, this pair ranks #252,931 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of us vs UU

Shared letters: u. Private to "us": s. Private to "UU": -.

"us" · 2 letters · shape VC · "UU" · 2 letters · shape VV

Frequently Asked Questions

Do "us" and "UU" mean the same thing in a sentence?

No - they are not even the same part of speech. "us" is a pronoun and "UU" a noun, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "us" vs "UU" - which ranks higher?

"us" is the more common of the two: it sits at frequency rank #95 in our English list, against #41,937 for "UU". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "us" and "UU". Here's where to go from here.

Full dictionary entry for "us" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "UU" - compare definitions side by side with the headword page. Word entry
This pair ranks #252,931 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"us" and "UU" also get mixed up with nearby pairs, the highest-scored neighbour is "UAS vs UU". Nearby pair

Confusion rank #252,931 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.