perturbation vs fluster

perturbation and fluster both are nouns.

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

As nouns, perturbation and fluster are synonyms defined as:

perturbation and fluster: a disposition that is confused or nervous and upset

perturbation (noun)	fluster (noun)
the act of causing disorder	a disposition that is confused or nervous and upset
a disposition that is confused or nervous and upset
activity that is a malfunction, intrusion, or interruption
(physics) a secondary influence on a system that causes it to deviate slightly
an unhappy and worried mental state

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