sthvssuhTell them apart

Quick tell: sth is a pronoun, suh is a noun, so they fill different roles in a sentence.

Which to use

“sth” is a pronoun and “suh” is a noun - they look or sound alike but fill different roles in a sentence.

#40,035
“sth” frequency rank
#30,248
“suh” frequency rank
70283
confusion score

Side-by-Side Comparison

Feature sth suh
Definition Abbreviation of something. Pronunciation spelling of sir, usually to suggest the speech of African-American slaves.

Letter map: sth vs suh

Shared letters muted; letters that set sth and suh apart highlighted. Shared run: 2.

3 ch
sth
3 ch
suh

Part-of-speech tell for sth / suh

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sth is apronoun and suhanoun. On the page they differ by a single letter - t in “sth” becomes u in “suh”. Our composite confusion score for this pair is 70283, derived from the frequency rank of both members and their visual similarity.

sth is recorded at frequency rank #40,035, classified as apron. suh is at rank #30,248, tagged as anoun.

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 70283, this pair ranks #51,154 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sth vs suh

Shared letters: hs. Private to "sth": t. Private to "suh": u.

"sth" · 3 letters · shape CCC  ·  "suh" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "sth" for "suh" ever safe?
No - they are not even the same part of speech. "sth" is a pronoun and "suh" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sth" or "suh"?
"suh" is the more common of the two: it sits at frequency rank #30,248 in our English list, against #40,035 for "sth". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "sth" and "suh".

  • Full dictionary entry for "sth" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,154 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sth" and "suh" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sth". Nearby pair

Confusion rank #51,154 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