chambervschamberedWhich spelling fits?

Quick tell: chamber is a noun, chambered is an adjective, so they fill different roles in a sentence.

Which to use

“chamber” is a noun and “chambered” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,151
“chamber” frequency rank
#46,373
“chambered” frequency rank
49524
confusion score

Side-by-Side Comparison

Feature chamber chambered
Definition A room or set of rooms Having chambers.

Letter map: chamber vs chambered

Shared letters muted; letters that set chamber and chambered apart highlighted. Shared run: 7. chamber runs 7 letters (CCVCCVC) against chambered's 9 (CCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
chamber
9 ch
chambered

Part-of-speech tell for chamber / chambered

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: chamber is anoun and chamberedanadjective. On the page they differ by 2 extra letter(s) - “chamber” sits inside “chambered”. Our composite confusion score for this pair is 49524, derived from the frequency rank of both members and their visual similarity.

chamber is recorded at frequency rank #3,151, classified as anoun, pronounced /ˈtʃeɪmbə(ɹ)/. chambered is at rank #46,373, tagged as anadj.

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 49524, this pair ranks #182,766 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chamber vs chambered

Shared letters: abcehmr. Private to "chamber": -. Private to "chambered": d.

"chamber" · 7 letters · shape CCVCCVC  ·  "chambered" · 9 letters · shape CCVCCVCVC

Known mistypes of this pair

  • chamber ← cahmber · cchamber · chabmer · chambber · chamberr · chambre · chamebr · chammber
  • chambered ← cahmbered · cchambered · chabmered · chambbered · chambeerd · chamberde · chamberedd · chamberred

Frequently Asked Questions

Do "chamber" and "chambered" mean the same thing in a sentence?
No - they are not even the same part of speech. "chamber" is a noun and "chambered" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "chamber" or "chambered" show up more?
"chamber" is the more common of the two: it sits at frequency rank #3,151 in our English list, against #46,373 for "chambered". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "chamber" and "chambered".

  • Full dictionary entry for "chamber" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chambered" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #182,766 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chamber" and "chambered" also get mixed up with nearby pairs, the highest-scored neighbour is "chambered vs chartered". 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 #182,766 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