Which to use
“loudly” is an adverb and “lousy” is an adjective - they look or sound alike but fill different roles in a sentence.
- #9,778
- “loudly” frequency rank
- #19,383
- “lousy” frequency rank
- 29161
- confusion score
Side-by-Side Comparison
| Feature | loudly | lousy |
|---|---|---|
| Definition | In a loud manner; at a high volume. | Remarkably bad; of poor quality. |
Where the eye mixes loudly and lousy
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. loudly runs 6 letters (CVVCCV) against lousy's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses loudly with lousy
These two trip readers on the page rather than in the ear: loudly is /ˈlaʊdli/ while lousy is /ˈlaʊ.zi/. 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 (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 29161, derived from the frequency rank of both members and their visual similarity.
loudly is recorded at frequency rank #9,778, classified as anadv, pronounced /ˈlaʊdli/. lousy is at rank #19,383, tagged as anadj, pronounced /ˈlaʊ.zi/.
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 29161, this pair ranks #365,316 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of loudly vs lousy
Shared letters: louy. Private to "loudly": d. Private to "lousy": s.
"loudly" · 6 letters · shape CVVCCV · "lousy" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Do "loudly" and "lousy" mean the same thing in a sentence?
Which is more common, "loudly" or "lousy"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "loudly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lousy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #365,316 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "loudly" and "lousy" also get mixed up with nearby pairs, the highest-scored neighbour is "louse vs lousy". 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 #365,316 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.