unflustered vs unruffled

unflustered and unruffled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unflustered	No	Yes	No	No
unruffled	No	Yes	No	No

As adjectives, unflustered and unruffled are synonyms defined as:

unflustered and unruffled: free from emotional agitation or nervous tension

Other synonyms of unflustered include unflurried, unperturbed.

unflustered (adjective)	unruffled (adjective)
free from emotional agitation or nervous tension	(of a body of water) free from disturbance by heavy waves
	free from emotional agitation or nervous tension