# us's vs USO

> English confusable word pair

## The two words

### us's
*contraction · IPA /ˈʌsɪz/ · frequency rank #40,501*
Contraction of us + is.

### USO
*noun · frequency rank #35,573*
Unidentified submerged object or unidentified submarine object.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/us-s-vs-uso