The correct ending is 'ly': sparkly.
Verbs cannot end in -ly. Words ending with -ly are mostly Adverbs.
badlyclearlyfriendlyhappilyintelligentlyloudlymerrilyquicklyslowlysoftlyvividly
Rilely
yes, usually words ending with the suffix -ly are adverbs
Adverbs typically use the ending -ly in English. Adverbs modify verbs, adjectives, or other adverbs to provide more information about how an action is performed.
A suffix is the ending of a word. The suffix of the word, unfortunately, is -ly.
Most adverbs end in -ly - for example, happily, slowly, carefully.
You smell
Truly, or anything ending in -ly.
there is no adverb for letters ending with ly
oozily