medical specialty vs invasion

medical specialty and invasion both are nouns.

Word	Noun	Adjective	Verb	Adverb
medical specialty	Yes	No	No	No
invasion	Yes	No	No	No

medical specialty (noun)	invasion (noun)
the branches of medical science that deal with nonsurgical techniques	the act of invading; the act of an army that invades for conquest or plunder
	any entry into an area not previously occupied
	(pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body