us'svsUSDWhat's the difference?

Quick tell: us's is a contraction, USD is a noun, so they fill different roles in a sentence.

Which to use

“us's” is a contraction and “USD” is a noun - they look or sound alike but fill different roles in a sentence.

#40,501
“us's” frequency rank
#7,515
“USD” frequency rank
48016
confusion score

Side-by-Side Comparison

Feature us's USD
Definition Contraction of us + is. Initialism of unified school district.

Letter map: us's vs USD

Shared letters muted; letters that set us's and USD apart highlighted. Shared run: 2.

4 ch
us's
3 ch
USD

Grammar separator: us's vs USD

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: us's is acontraction and USDanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48016, derived from the frequency rank of both members and their visual similarity.

us's is recorded at frequency rank #40,501, classified as acontraction, pronounced /ˈʌsɪz/. USD is at rank #7,515, 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 48016, this pair ranks #197,138 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of us's vs USD

Shared letters: su. Private to "us's": -. Private to "USD": d.

"us's" · 3 letters · shape VCC  ·  "USD" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "us's" for "USD" ever safe?
No - they are not even the same part of speech. "us's" is a contraction and "USD" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "us's" vs "USD" - which ranks higher?
"USD" is the more common of the two: it sits at frequency rank #7,515 in our English list, against #40,501 for "us's". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "us's" vs "USD" is on the table, pick a follow-up below.

  • Full dictionary entry for "us's" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "USD" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #197,138 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "us's" and "USD" also get mixed up with nearby pairs, the highest-scored neighbour is "UAS vs us's". Nearby pair

Confusion rank #197,138 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