Which to use
“firth” and “fort” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,972
- “firth” frequency rank
- #3,302
- “fort” frequency rank
- 26274
- confusion score
Side-by-Side Comparison
| Feature | firth | fort |
|---|---|---|
| Definition | An arm or inlet of the sea; a river estuary. | A fortified defensive structure stationed with troops. |
Where the eye mixes firth and fort
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. firth (/fɜːθ/) and fort (/fɔɹt/) 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 26274, derived from the frequency rank of both members and their visual similarity.
firth is recorded at frequency rank #22,972, classified as anoun, pronounced /fɜːθ/. fort is at rank #3,302, tagged as anoun, pronounced /fɔɹt/.
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 26274, this pair ranks #387,937 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of firth vs fort
Shared letters: frt. Private to "firth": hi. Private to "fort": o.
"firth" · 5 letters · shape CVCCC · "fort" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Can "firth" and "fort" be used interchangeably?
Which is more common, "firth" or "fort"?
What to do next
You've compared "firth" and "fort". Here's where to go from here.
- Full dictionary entry for "firth" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fort" - compare definitions side by side with the headword page. Word entry
- This pair ranks #387,937 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "firth" and "fort" also get mixed up with nearby pairs, the highest-scored neighbour is "firth vs frith". 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
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.