adjustvsadjusterTell them apart

Quick tell: adjust is a verb, adjuster is a noun, so they fill different roles in a sentence.

Which to use

“adjust” is a verb and “adjuster” is a noun - they look or sound alike but fill different roles in a sentence.

#6,320
“adjust” frequency rank
#42,511
“adjuster” frequency rank
48831
confusion score

Side-by-Side Comparison

Feature adjust adjuster
Definition To modify. One who adjusts something, especially the amount of compensation due in an insurance claim.

Letter map: adjust vs adjuster

Shared letters muted; letters that set adjust and adjuster apart highlighted. Shared run: 6.

6 ch
adjust
8 ch
adjuster

Role in the sentence - adjust and adjuster

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: adjust is averb and adjusteranoun. On the page they differ by 2 extra letter(s) - “adjust” sits inside “adjuster”. Our composite confusion score for this pair is 48831, derived from the frequency rank of both members and their visual similarity.

adjust is recorded at frequency rank #6,320, classified as averb, pronounced /əˈd͡ʒʌst/. adjuster is at rank #42,511, 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 48831, this pair ranks #189,390 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of adjust vs adjuster

Shared letters: adjstu. Private to "adjust": -. Private to "adjuster": er.

"adjust" · 6 letters · shape VCCVCC  ·  "adjuster" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • adjustaddjust · adjjust · adjsut · adjusst · adjustt · adjuts · adujst · ajdust
  • adjusteraddjuster · adjjuster · adjsuter · adjusetr · adjusster · adjusterr · adjustre · adjustter

Frequently Asked Questions

Can "adjust" and "adjuster" be used interchangeably?
No - they are not even the same part of speech. "adjust" is a verb and "adjuster" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "adjust" or "adjuster"?
"adjust" is the more common of the two: it sits at frequency rank #6,320 in our English list, against #42,511 for "adjuster". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "adjust" and "adjuster". Here's where to go from here.

  • Full dictionary entry for "adjust" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adjuster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #189,390 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "adjust" and "adjuster" also get mixed up with nearby pairs, the highest-scored neighbour is "adjuster vs adjusts". 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 #189,390 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