rant vs talk

rant and talk both are nouns.

Word	Noun	Adjective	Verb	Adverb
rant	Yes	No	Yes	No
talk	Yes	No	Yes	No

As verbs, talk is a hypernym of rant; that is, talk is a word with a broader meaning than rant:

Other hypernyms of rant include mouth, speak, utter, verbalise, verbalize.

rant (noun)	talk (noun)
pompous or pretentious talk or writing	the act of giving a talk to an audience
a loud bombastic declamation expressed with strong emotion	an exchange of ideas via conversation
	idle gossip or rumor
	a speech that is open to the public
	discussion; (`talk about' is a less formal alternative for `discussion of')

rant (verb)	talk (verb)
talk in a noisy, excited, or declamatory manner	express in speech
	exchange thoughts; talk with
	reveal information
	use language
	deliver a lecture or talk
	divulge confidential information or secrets