incoherence vs nonsense

incoherence and nonsense both are nouns.

Word	Noun	Adjective	Verb	Adverb
incoherence	Yes	No	No	No
nonsense	Yes	Yes	No	No

As nouns, nonsense is a hypernym of incoherence; that is, nonsense is a word with a broader meaning than incoherence:

Other hypernyms of incoherence include bunk, hokum, meaninglessness, nonsensicality.

incoherence (noun)	nonsense (noun)
nonsense that is simply incoherent and unintelligible	ornamental objects of no great value
lack of cohesion or clarity or organization	a message that seems to convey no meaning

incoherence (adjective)	nonsense (adjective)
	having no intelligible meaning