discomposure vs fluster

discomposure and fluster both are nouns.

Word	Noun	Adjective	Verb	Adverb
discomposure	Yes	No	No	No
fluster	Yes	No	Yes	No

As nouns, fluster is a hyponym of discomposure; that is, fluster is a word with a more specific, narrower meaning than discomposure:

Other hyponyms of discomposure include disquiet, unease, uneasiness, perturbation.

discomposure (noun)	fluster (noun)
a temperament that is perturbed and lacking in composure	a disposition that is confused or nervous and upset
anxious embarrassment

discomposure (verb)	fluster (verb)
	cause to be nervous or upset
	be flustered; behave in a confused manner