dillyvsdullWhich spelling fits?

Which to use

“dilly” and “dull” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#44,739
“dilly” frequency rank
#7,788
“dull” frequency rank
52527
confusion score

Side-by-Side Comparison

Feature dilly dull
Definition Redolent of dill (the herb). Lacking the ability to cut easily; not sharp.

Where the eye mixes dilly and dull

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
dilly
4 ch
dull

Look-alike desk: dilly vs dull

A purely visual mix-up. dilly (/ˈdɪli/) and dull (/dʌl/) 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 52527, 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/. dull is at rank #7,788, tagged as anadj, pronounced /dʌl/.

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 52527, this pair ranks #156,287 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dilly vs dull

Shared letters: dl. Private to "dilly": iy. Private to "dull": u.

"dilly" · 5 letters · shape CVCCV  ·  "dull" · 4 letters · shape CVCC

Known mistypes of this pair

  • dillyddilly · dillyy · dilyl · dlily
  • dullddull · dlul · dul · udll

Frequently Asked Questions

Is swapping "dilly" for "dull" ever safe?
No. They are said differently (/ˈdɪli/ versus /dʌl/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "dilly" or "dull" show up more?
"dull" is the more common of the two: it sits at frequency rank #7,788 in our English list, against #44,739 for "dilly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "dilly" and "dull" 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 "dull" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #156,287 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dilly" and "dull" 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 #156,287 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