durvsdutyConfusable pair

Quick tell: dur is a adjective, duty is a noun, so they fill different roles in a sentence.

Which to use

“dur” is an adjective and “duty” is a noun - they look or sound alike but fill different roles in a sentence.

#39,793
“dur” frequency rank
#1,994
“duty” frequency rank
41787
confusion score

Side-by-Side Comparison

Feature dur duty
Definition Major; in the major mode. That which one is morally or legally obligated to do.

Where the eye mixes dur and duty

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. dur runs 3 letters (CVC) against duty's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
dur
4 ch
duty

Look-alike desk: dur vs duty

These two trip readers on the page rather than in the ear: dur is /duːɹ/ while duty is /ˈdjuː.ti/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 41787, derived from the frequency rank of both members and their visual similarity.

dur is recorded at frequency rank #39,793, classified as anadj, pronounced /duːɹ/. duty is at rank #1,994, tagged as anoun, pronounced /ˈdjuː.ti/.

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 41787, this pair ranks #255,199 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dur vs duty

Shared letters: du. Private to "dur": r. Private to "duty": ty.

"dur" · 3 letters · shape CVC  ·  "duty" · 4 letters · shape CVCV

Known mistypes of this pair

  • duty ← dduty · dtuy · dutty · dutyy · duyt · udty

Frequently Asked Questions

Do "dur" and "duty" mean the same thing in a sentence?
No - they are not even the same part of speech. "dur" is an adjective and "duty" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dur" or "duty"?
"duty" is the more common of the two: it sits at frequency rank #1,994 in our English list, against #39,793 for "dur". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "dur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duty" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #255,199 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dur" and "duty" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dur". 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 #255,199 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list