extinguishvsextinguisherWhat's the difference?

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

Which to use

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

#27,453
“extinguish” frequency rank
#31,976
“extinguisher” frequency rank
59429
confusion score

Side-by-Side Comparison

Feature extinguish extinguisher
Definition To stop (fire, etc.) from burning; also, to stop (light, etc.) from shining; to put out, to quench. One who, or that which, extinguishes something.

Where the eye mixes extinguish and extinguisher

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.

10 ch
extinguish
12 ch
extinguisher

Visual trap between extinguish and extinguisher

These two trip readers on the page rather than in the ear: extinguish is /ɪkˈstɪŋ.ɡwɪʃ/ while extinguisher is /ɪkˈstɪŋɡwɪʃə(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “extinguish” sits inside “extinguisher”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 59429, derived from the frequency rank of both members and their visual similarity.

extinguish is recorded at frequency rank #27,453, classified as averb, pronounced /ɪkˈstɪŋ.ɡwɪʃ/. extinguisher is at rank #31,976, tagged as anoun, pronounced /ɪkˈstɪŋɡwɪʃə(ɹ)/.

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 59429, this pair ranks #106,233 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of extinguish vs extinguisher

Shared letters: eghinstux. Private to "extinguish": -. Private to "extinguisher": r.

"extinguish" · 10 letters · shape VCCVCCVVCC  ·  "extinguisher" · 12 letters · shape VCCVCCVVCCVC

Known mistypes of this pair

  • extinguishetxinguish · exitnguish · extignuish · extingguish · extingiush · extinguihs · extinguishh · extinguissh
  • extinguisheretxinguisher · exitnguisher · extignuisher · extingguisher · extingiusher · extinguihser · extinguisehr · extinguisherr

Frequently Asked Questions

Can "extinguish" and "extinguisher" be used interchangeably?
No - they are not even the same part of speech. "extinguish" is a verb and "extinguisher" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "extinguish" or "extinguisher"?
"extinguish" is the more common of the two: it sits at frequency rank #27,453 in our English list, against #31,976 for "extinguisher". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "extinguish" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "extinguisher" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #106,233 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "extinguish" and "extinguisher" also get mixed up with nearby pairs, the highest-scored neighbour is "extinguished vs extinguisher". 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 #106,233 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