harborvsharbourWhat's the difference?

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.

Where the spellings diverge

Shared letters are muted; the letters that actually set harbor and harbour apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

6 ch
harbor
7 ch
harbour

Spelling & Dictionary Insight

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

  • harborahrbor · habror · harbbor · harborr · harbro · harobr · harrbor · hharbor
  • harbourahrbour · habrour · harbbour · harboru · harbourr · harbuor · harobur · harrbour

Frequency comparison

harbor#5,599
harbour#7,347

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "harbor" and "harbour" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "harbor" or "harbour"?
"harbor" is the more common of the two: it sits at frequency rank #5,599 in our English list, against #7,347 for "harbour". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering harbor vs harbour

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 “harbor” 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 FrequencyWords open word-frequency list