USAvsusedWhich spelling fits?

Quick tell: USA is a name, used is an adjective, so they fill different roles in a sentence.

Which to use

“USA” is a name and “used” is an adjective - they look or sound alike but fill different roles in a sentence.

#2,602
“USA” frequency rank
#28,007
“used” frequency rank
30609
confusion score

Side-by-Side Comparison

Feature USA used
Definition États-Unis d’Amérique. Usé, usagé, d’occasion.

Where the eye mixes USA and used

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
USA
4 ch
used

Look-alike desk: USA vs used

These two trip readers on the page rather than in the ear: USA is \y.ɛs.a\ while used is \ˈjuzd\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 30609, derived from the frequency rank of both members and their visual similarity.

USA is recorded at frequency rank #2,602, classified as aname, pronounced \y.ɛs.a\. used is at rank #28,007, tagged as anadj, pronounced \ˈjuzd\.

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 30609, this pair ranks #309,133 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of USA vs used

Shared letters: su. Private to "USA": a. Private to "used": de.

"USA" · 3 letters · shape VCV  ·  "used" · 4 letters · shape VCVC

Known mistypes of this pair

  • usedsued · uesd · usde · usedd · ussed

Frequently Asked Questions

Is swapping "USA" for "used" ever safe?
No - they are not even the same part of speech. "USA" is a name and "used" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "USA" or "used"?
"USA" is the more common of the two: it sits at frequency rank #2,602 in our French list, against #28,007 for "used". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "USA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "used" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #309,133 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "USA" and "used" also get mixed up with nearby pairs, the highest-scored neighbour is "urée vs used". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #309,133 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list