Which to use
“morbid” is an adjective and “morbidly” is an adverb - they look or sound alike but fill different roles in a sentence.
- #20,711
- “morbid” frequency rank
- #48,364
- “morbidly” frequency rank
- 69075
- confusion score
Side-by-Side Comparison
| Feature | morbid | morbidly |
|---|---|---|
| Definition | Of, relating to, or afflicted by disease. | In a morbid manner, or to a morbid degree. |
Where the eye mixes morbid and morbidly
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. morbid runs 6 letters (CVCCVC) against morbidly's 8 (CVCCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between morbid and morbidly
These two trip readers on the page rather than in the ear: morbid is /ˈmɔː.bɪd/ while morbidly is /ˈmɔrbɪdli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “morbid” sits inside “morbidly”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 69075, derived from the frequency rank of both members and their visual similarity.
morbid is recorded at frequency rank #20,711, classified as anadj, pronounced /ˈmɔː.bɪd/. morbidly is at rank #48,364, tagged as anadv, pronounced /ˈmɔrbɪdli/.
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 69075, this pair ranks #56,083 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of morbid vs morbidly
Shared letters: bdimor. Private to "morbid": -. Private to "morbidly": ly.
"morbid" · 6 letters · shape CVCCVC · "morbidly" · 8 letters · shape CVCCVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "morbid" and "morbidly" mean the same thing in a sentence?
Which is more common, "morbid" or "morbidly"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "morbid" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "morbidly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,083 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "morbid" and "morbidly" also get mixed up with nearby pairs, the highest-scored neighbour is "morbidity vs morbidly". 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 #56,083 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.