Which to use
“dilly” is an adjective and “duly” is an adverb - they look or sound alike but fill different roles in a sentence.
- #44,739
- “dilly” frequency rank
- #16,220
- “duly” frequency rank
- 60959
- confusion score
Side-by-Side Comparison
| Feature | dilly | duly |
|---|---|---|
| Definition | Redolent of dill (the herb). | In a due, fit, or becoming manner; as it ought to be; suitably; properly. |
Where the eye mixes dilly and duly
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses dilly with duly
These two trip readers on the page rather than in the ear: dilly is /ˈdɪli/ while duly is /ˈdʒuːli/. 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 adverb), which is usually the fastest check. Our composite confusion score for this pair is 60959, derived from the frequency rank of both members and their visual similarity.
dilly is recorded at frequency rank #44,739, classified as anadj, pronounced /ˈdɪli/. duly is at rank #16,220, tagged as anadv, pronounced /ˈdʒuːli/.
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 60959, this pair ranks #97,170 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of dilly vs duly
Shared letters: dly. Private to "dilly": i. Private to "duly": u.
"dilly" · 5 letters · shape CVCCV · "duly" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "dilly" for "duly" ever safe?
In ordinary English text, does "dilly" or "duly" show up more?
Useful next steps
Eye-level mix-up between "dilly" and "duly" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "dilly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "duly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #97,170 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "dilly" and "duly" also get mixed up with nearby pairs, the highest-scored neighbour is "dilly vs ditty". 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 #97,170 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.