UPSvsupsetConfusable pair

Quick tell: UPS is a verb, upset is an adjective, so they fill different roles in a sentence.

Which to use

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

#3,591
“UPS” frequency rank
#2,470
“upset” frequency rank
6061
confusion score

Side-by-Side Comparison

Feature UPS upset
Definition To connect a device to an uninterruptible power supply. Angry, distressed, or unhappy

Letter map: UPS vs upset

Shared letters muted; letters that set UPS and upset apart highlighted. Shared run: 3.

3 ch
UPS
5 ch
upset

Grammar separator: UPS vs upset

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: UPS is averb and upsetanadjective. On the page they differ by 2 extra letter(s) - “UPS” sits inside “upset”. Our composite confusion score for this pair is 6061, derived from the frequency rank of both members and their visual similarity.

UPS is recorded at frequency rank #3,591, classified as averb. upset is at rank #2,470, tagged as anadj, pronounced /ʌpˈsɛt/.

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 6061, this pair ranks #512,915 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of UPS vs upset

Shared letters: psu. Private to "UPS": -. Private to "upset": et.

"UPS" · 3 letters · shape VCC  ·  "upset" · 5 letters · shape VCCVC

Known mistypes of this pair

  • upsetpuset · upest · uppset · upsett · upsset · upste · uspet

Frequently Asked Questions

Do "UPS" and "upset" mean the same thing in a sentence?
No - they are not even the same part of speech. "UPS" is a verb and "upset" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "UPS" or "upset" show up more?
"upset" is the more common of the two: it sits at frequency rank #2,470 in our English list, against #3,591 for "UPS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "UPS" vs "upset" is on the table, pick a follow-up below.

  • Full dictionary entry for "UPS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "upset" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #512,915 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "UPS" and "upset" also get mixed up with nearby pairs, the highest-scored neighbour is "UAS vs UPS". 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 #512,915 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