rave vs speak

rave is a noun but speak is not a noun.

Word	Noun	Adjective	Verb	Adverb
rave	Yes	No	Yes	No
speak	No	No	Yes	No

As verbs, speak is a hypernym of rave; that is, speak is a word with a broader meaning than rave:

Other hypernyms of rave include mouth, talk, utter, verbalise, verbalize.

rave (noun)	speak (noun)
an extravagantly enthusiastic review
a dance party that lasts all night and electronically synthesized music is played

rave (verb)	speak (verb)
praise enthusiastically	express in speech
talk in a noisy, excited, or declamatory manner	exchange thoughts; talk with
participate in an all-night techno dance party	use language
	give a speech to
	make a characteristic or natural sound