UASvsusWhat's the difference?

Quick tell: UAS is a noun, us is a pronoun, so they fill different roles in a sentence.

Which to use

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

#49,687
“UAS” frequency rank
#95
“us” frequency rank
49782
confusion score

Side-by-Side Comparison

Feature UAS us
Definition Initialism of uncrewed aerial system, unmanned aerial system, uncrewed aircraft system, or unmanned aircraft system: an aircraft with no onboard pilot, and sometimes completely unpiloted, as well as the other components of the system, including automated guidance and telemetry, a remote operator if any, etc. Me and at least one other person, excluding the person(s) being addressed. (exclusive us.)

Letter map: UAS vs us

Shared letters muted; letters that set UAS and us apart highlighted. Shared run: 2.

3 ch
UAS
2 ch
us

Part-of-speech tell for UAS / us

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: UAS is anoun and usapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49782, derived from the frequency rank of both members and their visual similarity.

UAS is recorded at frequency rank #49,687, classified as anoun. us is at rank #95, tagged as apron, pronounced /əs/.

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 49782, this pair ranks #180,336 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of UAS vs us

Shared letters: su. Private to "UAS": a. Private to "us": -.

"UAS" · 3 letters · shape VVC  ·  "us" · 2 letters · shape VC

Frequently Asked Questions

Can "UAS" and "us" be used interchangeably?
No - they are not even the same part of speech. "UAS" is a noun and "us" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "UAS" vs "us" - which ranks higher?
"us" is the more common of the two: it sits at frequency rank #95 in our English list, against #49,687 for "UAS". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "UAS" and "us".

  • Full dictionary entry for "UAS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "us" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #180,336 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "UAS" and "us" also get mixed up with nearby pairs, the highest-scored neighbour is "UAS vs UHD". Nearby pair

Confusion rank #180,336 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list