buffervsbufferedTell them apart

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

Which to use

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

#9,856
“buffer” frequency rank
#47,507
“buffered” frequency rank
57363
confusion score

Side-by-Side Comparison

Feature buffer buffered
Definition Someone or something that buffs (polishes and makes shiny). Using a buffer.

Letter map: buffer vs buffered

Shared letters muted; letters that set buffer and buffered apart highlighted. Shared run: 6.

6 ch
buffer
8 ch
buffered

Grammar separator: buffer vs buffered

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: buffer is anoun and bufferedanadjective. On the page they differ by 2 extra letter(s) - “buffer” sits inside “buffered”. Our composite confusion score for this pair is 57363, derived from the frequency rank of both members and their visual similarity.

buffer is recorded at frequency rank #9,856, classified as anoun, pronounced /ˈbʌfə(ɹ)/. buffered is at rank #47,507, 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 57363, this pair ranks #119,824 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of buffer vs buffered

Shared letters: befru. Private to "buffer": -. Private to "buffered": d.

"buffer" · 6 letters · shape CVCCVC  ·  "buffered" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • bufferbbuffer · bfufer · bufefr · bufer · bufferr · buffre · ubffer
  • bufferedbbuffered · bfufered · bufefred · bufered · buffeerd · bufferde · bufferedd · bufferred

Frequently Asked Questions

Do "buffer" and "buffered" mean the same thing in a sentence?
No - they are not even the same part of speech. "buffer" is a noun and "buffered" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "buffer" or "buffered" show up more?
"buffer" is the more common of the two: it sits at frequency rank #9,856 in our English list, against #47,507 for "buffered". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "buffer" vs "buffered" is on the table, pick a follow-up below.

  • Full dictionary entry for "buffer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "buffered" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #119,824 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "buffer" and "buffered" also get mixed up with nearby pairs, the highest-scored neighbour is "buffered vs buttered". 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 #119,824 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