Is greedily a noun?
No, the word 'greedily' is the adverb form of the noun greed. The adverb greedily modifies a verb. Examples:
adverb: He greedily gobbled his porridge and asked for more.
noun: Greed is addictive, the more you get, the more you want.
In English there are no masculine or feminine forms. English uses gender specific nouns for a male or a female. The noun gobbler, a word for a person who eats greedily and noisily, is a common gender noun; a word for a male or a female with unhealthy eating habits. The noun gobbler is a word for a tom turkey, a male; the noun for a female turkey is a hen.