firmvsfurWhat's the difference?

Which to use

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

#1,693
“firm” frequency rank
#6,789
“fur” frequency rank
8482
confusion score

Side-by-Side Comparison

Feature firm fur
Definition A business partnership; the name under which it trades. The hairy coat of various mammal species, especially when fine, soft and thick.

Where the eye mixes firm and fur

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
firm
3 ch
fur

Spelling & Dictionary Insight

A purely visual mix-up. firm (/fɜɹm/) and fur (/fɜː/) 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 1 letter(s) in length. Our composite confusion score for this pair is 8482, derived from the frequency rank of both members and their visual similarity.

firm is recorded at frequency rank #1,693, classified as anoun, pronounced /fɜɹm/. fur is at rank #6,789, tagged as anoun, pronounced /fɜː/.

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 8482, this pair ranks #502,269 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of firm vs fur

Shared letters: fr. Private to "firm": im. Private to "fur": u.

"firm" · 4 letters · shape CVCC  ·  "fur" · 3 letters · shape CVC

Known mistypes of this pair

  • firmffirm · fimr · firmm · firrm · frim · ifrm

Frequently Asked Questions

Can "firm" and "fur" be used interchangeably?
No. They are said differently (/fɜɹm/ versus /fɜː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "firm" or "fur"?
"firm" is the more common of the two: it sits at frequency rank #1,693 in our English list, against #6,789 for "fur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list