Which to use
“farthest” and “fastest” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,784
- “farthest” frequency rank
- #4,759
- “fastest” frequency rank
- 31543
- confusion score
Side-by-Side Comparison
| Feature | farthest | fastest |
|---|---|---|
| Definition | Alternative form of furthest. (See also usage notes at further.) | superlative form of fast (adjective): most fast |
Letter map: farthest vs fastest
Shared letters muted; letters that set farthest and fastest apart highlighted. Shared run: 6. farthest runs 8 letters (CVCCCVCC) against fastest's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.
Spelling & dictionary notes on farthest vs fastest
farthest and fastest are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31543, derived from the frequency rank of both members and their visual similarity.
farthest is recorded at frequency rank #26,784, classified as anadj, pronounced /ˈfɑːðɪst/. fastest is at rank #4,759, 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 31543, this pair ranks #345,213 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of farthest vs fastest
Shared letters: aefst. Private to "farthest": hr. Private to "fastest": -.
"farthest" · 8 letters · shape CVCCCVCC · "fastest" · 7 letters · shape CVCCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "farthest" and "fastest" be used interchangeably?
In ordinary English text, does "farthest" or "fastest" show up more?
After this comparison
Done with this confusable. These links stay specific to "farthest" and "fastest".
- Full dictionary entry for "farthest" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fastest" - compare definitions side by side with the headword page. Word entry
- This pair ranks #345,213 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "farthest" and "fastest" also get mixed up with nearby pairs, the highest-scored neighbour is "farthest vs furthest". 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 #345,213 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.