coarctation vs contraction

coarctation and contraction both are nouns.

Word	Noun	Adjective	Verb	Adverb
coarctation	Yes	No	No	No
contraction	Yes	No	No	No

As nouns, contraction is a hypernym of coarctation; that is, contraction is a word with a broader meaning than coarctation:

Other hypernyms of coarctation include compression, condensation.

coarctation (noun)	contraction (noun)
(biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta	the act of decreasing (something) in size or volume or quantity or scope
tight or narrow compression	(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
	a word formed from two or more words by omitting or combining some sounds
	the process or result of becoming smaller or pressed together