sthvsstigWhich spelling fits?

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

Which to use

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

#40,035
“sth” frequency rank
#40,036
“stig” frequency rank
80071
confusion score

Side-by-Side Comparison

Feature sth stig
Definition Abbreviation of something. Someone from a poor background, with poor dress sense.

Letter map: sth vs stig

Shared letters muted; letters that set sth and stig apart highlighted. Shared run: 2. sth runs 3 letters (CCC) against stig's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
sth
4 ch
stig

Role in the sentence - sth and stig

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sth is apronoun and stiganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80071, derived from the frequency rank of both members and their visual similarity.

sth is recorded at frequency rank #40,035, classified as apron. stig is at rank #40,036, tagged as anoun, pronounced /stɪɡ/.

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 80071, this pair ranks #20,618 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sth vs stig

Shared letters: st. Private to "sth": h. Private to "stig": gi.

"sth" · 3 letters · shape CCC  ·  "stig" · 4 letters · shape CCVC

Known mistypes of this pair

  • stig ← sitg · sstig · stgi · stigg · sttig · tsig

Frequently Asked Questions

Do "sth" and "stig" mean the same thing in a sentence?
No - they are not even the same part of speech. "sth" is a pronoun and "stig" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sth" or "stig" show up more?
"sth" is the more common of the two: it sits at frequency rank #40,035 in our English list, against #40,036 for "stig". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "sth" and "stig". Here's where to go from here.

  • Full dictionary entry for "sth" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stig" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,618 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sth" and "stig" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs stig". 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 #20,618 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