rabbit on vs speak

rabbit on and speak both are verbs.

Word	Noun	Adjective	Verb	Adverb
rabbit on	No	No	Yes	No
speak	No	No	Yes	No

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

Other hypernyms of rabbit on include mouth, talk, utter, verbalise, verbalize.

rabbit on (verb)	speak (verb)
talk in a noisy, excited, or declamatory manner	express in speech
	exchange thoughts; talk with
	use language
	give a speech to
	make a characteristic or natural sound