Here is a list of adjectives that end in -ly and sometimes get mistaken for adverbs:
* Beastly
* Brotherly
* Comely
* Costly
* Cowardly
* Daily (Can also be an adverb)
* Deadly
* Elderly
* Fatherly
* Fortnightly (Can also be an adverb)
* Friendly
* Gentlemanly
* Gentlewomanly
* Ghastly
* Ghostly
* Godly
* Goodly
* Holy
* Homely
* Humanly
* Kingly
* Leisurely
* Likely
* Lively
* Lonely
* Lovely
* Lowly
* Maidenly
* Manly
* Masterly
* Matronly
* Miserly
* Monthly (Can also be an adverb)
* Motherly
* Nightly
* Painterly
* Priestly
* Princely
* Saintly
* Scholarly
* Shapely
* Silly
* Sisterly
* Timely
* Ugly
* Ungainly
* Unruly
* Unsightly
* Unseemly
* Unworldly
* Weekly (Can also be an adverb)
* Womanly
* Worldly
* Yearly (Can also be an adverb)

* Beastly
* Brotherly
* Comely
* Costly
* Cowardly
* Daily (Can also be an adverb)
* Deadly
* Elderly
* Fatherly
* Fortnightly (Can also be an adverb)
* Friendly
* Gentlemanly
* Gentlewomanly
* Ghastly
* Ghostly
* Godly
* Goodly
* Holy
* Homely
* Humanly
* Kingly
* Leisurely
* Likely
* Lively
* Lonely
* Lovely
* Lowly
* Maidenly
* Manly
* Masterly
* Matronly
* Miserly
* Monthly (Can also be an adverb)
* Motherly
* Nightly
* Painterly
* Priestly
* Princely
* Saintly
* Scholarly
* Shapely
* Silly
* Sisterly
* Timely
* Ugly
* Ungainly
* Unruly
* Unsightly
* Unseemly
* Unworldly
* Weekly (Can also be an adverb)
* Womanly
* Worldly
* Yearly (Can also be an adverb)
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