decantation vs transfusion

decantation and transfusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
decantation	Yes	No	No	No
transfusion	Yes	No	No	No

As nouns, transfusion is a hypernym of decantation; that is, transfusion is a word with a broader meaning than decantation:

decantation: the act of gently pouring off a clear liquor (as from its original bottle) without disturbing the lees
transfusion: the action of pouring a liquid from one vessel to another

decantation (noun)	transfusion (noun)
the act of gently pouring off a clear liquor (as from its original bottle) without disturbing the lees	the introduction of blood or blood plasma into a vein or artery
	the action of pouring a liquid from one vessel to another