umvsUPSWhich spelling fits?

Quick tell: um is a intj, UPS is a verb, so they fill different roles in a sentence.

Which to use

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

#5,846
“um” frequency rank
#3,591
“UPS” frequency rank
9437
confusion score

Side-by-Side Comparison

Feature um UPS
Definition Expression of hesitation, uncertainty or space filler in conversation. To connect a device to an uninterruptible power supply.

Letter map: um vs UPS

Shared letters muted; letters that set um and UPS apart highlighted. Shared run: 1.

2 ch
um
3 ch
UPS

Part-of-speech tell for um / UPS

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: um is anintj and UPSaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 9437, derived from the frequency rank of both members and their visual similarity.

um is recorded at frequency rank #5,846, classified as anintj, pronounced /ʌm/. UPS is at rank #3,591, tagged as averb.

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 9437, this pair ranks #497,387 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of um vs UPS

Shared letters: u. Private to "um": m. Private to "UPS": ps.

"um" · 2 letters · shape VC  ·  "UPS" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "um" for "UPS" ever safe?
No - they are not even the same part of speech. "um" is an intj and "UPS" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "um" vs "UPS" - which ranks higher?
"UPS" is the more common of the two: it sits at frequency rank #3,591 in our English list, against #5,846 for "um". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "um" and "UPS".

  • Full dictionary entry for "um" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "UPS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #497,387 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "um" and "UPS" also get mixed up with nearby pairs, the highest-scored neighbour is "UAS vs um". Nearby pair

Confusion rank #497,387 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