Which to use
“sth” is a pronoun and “sup” is a verb - they look or sound alike but fill different roles in a sentence.
- #40,035
- “sth” frequency rank
- #13,818
- “sup” frequency rank
- 53853
- confusion score
Side-by-Side Comparison
| Feature | sth | sup |
|---|---|---|
| Definition | Abbreviation of something. | To sip; to take a small amount of food or drink into the mouth, especially with a spoon. |
Letter map: sth vs sup
Shared letters muted; letters that set sth and sup apart highlighted. Shared run: 1.
Part-of-speech tell for sth / sup
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sth is apronoun and supaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53853, derived from the frequency rank of both members and their visual similarity.
sth is recorded at frequency rank #40,035, classified as apron. sup is at rank #13,818, tagged as averb, pronounced /sʌp/.
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 53853, this pair ranks #145,650 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sth vs sup
Shared letters: s. Private to "sth": ht. Private to "sup": pu.
"sth" · 3 letters · shape CCC · "sup" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "sth" for "sup" ever safe?
In ordinary English text, does "sth" or "sup" show up more?
What to do next
Done with this confusable. These links stay specific to "sth" and "sup".
- Full dictionary entry for "sth" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #145,650 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sth" and "sup" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sth". Nearby pair
Confusion rank #145,650 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.