Which to use
“friction” and “function” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,033
- “friction” frequency rank
- #1,720
- “function” frequency rank
- 12753
- confusion score
Side-by-Side Comparison
| Feature | friction | function |
|---|---|---|
| Definition | The rubbing of one object or surface against another. | What something does or is used for. |
Where the eye mixes friction and function
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between friction and function
A purely visual mix-up. friction (/ˈfɹɪkʃən̩/) and function (/ˈfʌŋ(k)ʃən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 12753, derived from the frequency rank of both members and their visual similarity.
friction is recorded at frequency rank #11,033, classified as anoun, pronounced /ˈfɹɪkʃən̩/. function is at rank #1,720, tagged as anoun, pronounced /ˈfʌŋ(k)ʃən/.
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 12753, this pair ranks #479,746 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of friction vs function
Shared letters: cfinot. Private to "friction": r. Private to "function": u.
"friction" · 8 letters · shape CCVCCVVC · "function" · 8 letters · shape CVCCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "friction" and "function" mean the same thing in a sentence?
In ordinary English text, does "friction" or "function" show up more?
After this comparison
Eye-level mix-up between "friction" and "function" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "friction" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "function" - compare definitions side by side with the headword page. Word entry
- This pair ranks #479,746 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "friction" and "function" also get mixed up with nearby pairs, the highest-scored neighbour is "friction vs fruition". 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 #479,746 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.