BFFvsbluffConfusable pair

Which to use

“BFF” and “bluff” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#30,702
“BFF” frequency rank
#13,288
“bluff” frequency rank
43990
confusion score

Side-by-Side Comparison

Feature BFF bluff
Definition Initialism of best friend forever. An act of bluffing; a false expression of the strength of one’s position in order to intimidate or deceive; braggadocio.

Where the eye mixes BFF and bluff

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
BFF
5 ch
bluff

Visual trap between BFF and bluff

A purely visual mix-up. BFF (/ˌbiː.ɛfˈɛf/) and bluff (/blʌf/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 43990, derived from the frequency rank of both members and their visual similarity.

BFF is recorded at frequency rank #30,702, classified as anoun, pronounced /ˌbiː.ɛfˈɛf/. bluff is at rank #13,288, tagged as anoun, pronounced /blʌf/.

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 43990, this pair ranks #234,758 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of BFF vs bluff

Shared letters: bf. Private to "BFF": -. Private to "bluff": lu.

"BFF" · 3 letters · shape CCC  ·  "bluff" · 5 letters · shape CCVCC

Known mistypes of this pair

  • bluffbbluff · blfuf · blluff · bluf · bulff · lbuff

Frequently Asked Questions

Is swapping "BFF" for "bluff" ever safe?
No. They are said differently (/ˌbiː.ɛfˈɛf/ versus /blʌf/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "BFF" or "bluff"?
"bluff" is the more common of the two: it sits at frequency rank #13,288 in our English list, against #30,702 for "BFF". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "BFF" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bluff" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234,758 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "BFF" and "bluff" also get mixed up with nearby pairs, the highest-scored neighbour is "BFF vs BFS". 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 #234,758 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