Which to use
“harbor” and “harbour” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,599
- “harbor” frequency rank
- #7,347
- “harbour” frequency rank
- 12946
- confusion score
Side-by-Side Comparison
| Feature | harbor | harbour |
|---|---|---|
| Definition | Any place of shelter. | Standard spelling of harbor. |
Letter map: harbor vs harbour
Shared letters muted; letters that set harbor and harbour apart highlighted. Shared run: 6. harbor runs 6 letters (CVCCVC) against harbour's 7 (CVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Corpus notes: harbor and harbour
harbor and harbour 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 12946, derived from the frequency rank of both members and their visual similarity.
harbor is recorded at frequency rank #5,599, classified as anoun, pronounced /ˈhɑːbə/. harbour is at rank #7,347, tagged as anoun.
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 12946, this pair ranks #478,612 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of harbor vs harbour
Shared letters: abhor. Private to "harbor": -. Private to "harbour": u.
"harbor" · 6 letters · shape CVCCVC · "harbour" · 7 letters · shape CVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Can "harbor" and "harbour" be used interchangeably?
In ordinary English text, does "harbor" or "harbour" show up more?
After this comparison
Done with this confusable. These links stay specific to "harbor" and "harbour".
- Full dictionary entry for "harbor" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "harbour" - compare definitions side by side with the headword page. Word entry
- This pair ranks #478,612 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "harbor" and "harbour" also get mixed up with nearby pairs, the highest-scored neighbour is "Haber vs harbor". 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 #478,612 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.