blood transfusion vs transfusion

blood transfusion and transfusion both are nouns.

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

As nouns, blood transfusion and transfusion are synonyms defined as:

blood transfusion and transfusion: the introduction of blood or blood plasma into a vein or artery

blood transfusion (noun)	transfusion (noun)
the introduction of blood or blood plasma into a vein or artery	the introduction of blood or blood plasma into a vein or artery
	the action of pouring a liquid from one vessel to another