opportunism vs expedience

opportunism and expedience both are nouns.

Word	Noun	Adjective	Verb	Adverb
opportunism	Yes	No	No	No
expedience	Yes	No	No	No

As nouns, opportunism and expedience are synonyms defined as:

opportunism and expedience: taking advantage of opportunities without regard for the consequences for others

Other synonyms of opportunism include self-interest, self-seeking.

opportunism (noun)	expedience (noun)
taking advantage of opportunities without regard for the consequences for others	the quality of being suited to the end in view
	taking advantage of opportunities without regard for the consequences for others