setsvssthWhich spelling fits?

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

Which to use

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

#2,088
“sets” frequency rank
#40,035
“sth” frequency rank
42123
confusion score

Side-by-Side Comparison

Feature sets sth
Definition plural of set Abbreviation of something.

Letter map: sets vs sth

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

4 ch
sets
3 ch
sth

Grammar separator: sets vs sth

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sets is anoun and sthapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42123, derived from the frequency rank of both members and their visual similarity.

sets is recorded at frequency rank #2,088, classified as anoun, pronounced /sɛts/. sth is at rank #40,035, tagged as apron.

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 42123, this pair ranks #252,107 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sets vs sth

Shared letters: st. Private to "sets": e. Private to "sth": h.

"sets" · 4 letters · shape CVCC  ·  "sth" · 3 letters · shape CCC

Known mistypes of this pair

  • setsests · sest · setss · setts · ssets · stes

Frequently Asked Questions

Do "sets" and "sth" mean the same thing in a sentence?
No - they are not even the same part of speech. "sets" is a noun and "sth" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sets" vs "sth" - which ranks higher?
"sets" is the more common of the two: it sits at frequency rank #2,088 in our English list, against #40,035 for "sth". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "sets" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #252,107 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sets" and "sth" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sth". 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 #252,107 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