fractionvsfrictionWhat's the difference?

Which to use

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

#7,566
“fraction” frequency rank
#11,033
“friction” frequency rank
18599
confusion score

Side-by-Side Comparison

Feature fraction friction
Definition A part of a whole, especially a comparatively small part. The rubbing of one object or surface against another.

Where the spellings diverge

Shared letters are muted; the letters that actually set fraction and friction apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

8 ch
fraction
8 ch
friction

Spelling & Dictionary Insight

A purely visual mix-up. fraction (/ˈfɹæk.ʃən/) and friction (/ˈfɹɪkʃən̩/) 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 a single letter - a in “fraction” becomes i in “friction”. Our composite confusion score for this pair is 18599, derived from the frequency rank of both members and their visual similarity.

fraction is recorded at frequency rank #7,566, classified as anoun, pronounced /ˈfɹæk.ʃən/. friction is at rank #11,033, tagged as anoun, pronounced /ˈfɹɪkʃən̩/.

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 18599, this pair ranks #443,816 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fraction vs friction

Shared letters: cfinort. Private to "fraction": a. Private to "friction": -.

"fraction" · 8 letters · shape CCVCCVVC  ·  "friction" · 8 letters · shape CCVCCVVC

Known mistypes of this pair

  • fractionfarction · ffraction · fracction · fraciton · fracsion · fractino · fractionn · fractoin
  • frictionffriction · firction · frcition · fricction · friciton · fricsion · frictino · frictionn

Frequency comparison

fraction#7,566
friction#11,033

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "fraction" and "friction" be used interchangeably?
No. They are said differently (/ˈfɹæk.ʃən/ versus /ˈfɹɪkʃən̩/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fraction" or "friction"?
"fraction" is the more common of the two: it sits at frequency rank #7,566 in our English list, against #11,033 for "friction". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering fraction vs friction

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “fraction” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list