randy vs horny

randy and horny both are adjectives.

Word	Noun	Adjective	Verb	Adverb
randy	No	Yes	No	No
horny	No	Yes	No	No

As adjectives, randy and horny are synonyms defined as:

Other synonyms of randy include aroused, ruttish, steamy, turned on.

randy (adjective)	horny (adjective)
feeling great sexual desire	made of horn (or of a substance resembling horn)
	having horns or hornlike projections
	feeling great sexual desire