perfusion vs intromission

perfusion and intromission both are nouns.

Word	Noun	Adjective	Verb	Adverb
perfusion	Yes	No	No	No
intromission	Yes	No	No	No

As nouns, intromission is a hypernym of perfusion; that is, intromission is a word with a broader meaning than perfusion:

perfusion: pumping a liquid into an organ or tissue (especially by way of blood vessels)
intromission: the act of putting one thing into another

Other hypernyms of perfusion include insertion, introduction.

perfusion (noun)	intromission (noun)
pumping a liquid into an organ or tissue (especially by way of blood vessels)	the act of putting one thing into another