close shave vs accomplishment

close shave and accomplishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
close shave	Yes	No	No	No
accomplishment	Yes	No	No	No

As nouns, accomplishment is a hypernym of close shave; that is, accomplishment is a word with a broader meaning than close shave:

Other hypernyms of close shave include achievement.

close shave (noun)	accomplishment (noun)
something achieved (or escaped) by a narrow margin	the action of accomplishing something
	an ability that has been acquired by training