upset vs use, What's the Difference?

Which to use

“upset” is an adjective and “use” is a noun - they look or sound alike but fill different roles in a sentence.

#2,470
“upset” frequency rank: #153
“use” frequency rank: 2623
confusion score

Side-by-Side Comparison

Feature	upset	use
Definition	Angry, distressed, or unhappy	The act of using.

Where the spellings diverge

Shared letters are muted; the letters that actually set upset and use apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch

upset

3 ch

use

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: upset is /ʌpˈsɛt/ while use is /juːs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2623, derived from the frequency rank of both members and their visual similarity.

upset is recorded at frequency rank #2,470, classified as anadj, pronounced /ʌpˈsɛt/. use is at rank #153, tagged as anoun, pronounced /juːs/.

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 2623, this pair ranks #524,491 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of upset vs use

Shared letters: esu. Private to "upset": pt. Private to "use": -.

"upset" · 5 letters · shape VCCVC · "use" · 3 letters · shape VCV

Known mistypes of this pair

upset ← puset · upest · uppset · upsett · upsset · upste · uspet

Frequency comparison

upset#2,470

use#153

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "upset" and "use" be used interchangeably?

No - they are not even the same part of speech. "upset" is an adjective and "use" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "upset" or "use"?

"use" is the more common of the two: it sits at frequency rank #153 in our English list, against #2,470 for "upset". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering upset vs use

The fastest way to pick the right one every time.

Check the role first: if you need an adjective, it's “upset”; for a noun, it's “use”.
See each word in full, definition, IPA, etymology and its other confusables. Full “upset” entry
Browse more pairs most likely to be confused. Most confusable