rant vs harangue

rant and harangue both are nouns.

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

As nouns, rant and harangue are synonyms defined as:

rant and harangue: a loud bombastic declamation expressed with strong emotion

Other synonyms of rant include ranting.

rant (noun)	harangue (noun)
pompous or pretentious talk or writing	a loud bombastic declamation expressed with strong emotion
a loud bombastic declamation expressed with strong emotion

rant (verb)	harangue (verb)
talk in a noisy, excited, or declamatory manner	deliver a harangue to; address forcefully