pathology vs blister

pathology and blister both are nouns.

Word	Noun	Adjective	Verb	Adverb
pathology	Yes	No	No	No
blister	Yes	No	Yes	No

pathology (noun)	blister (noun)
the branch of medical science that studies the causes and nature and effects of diseases	(pathology) an elevation of the skin filled with serous fluid
any deviation from a healthy or normal condition	(botany) a swelling on a plant similar to that on the skin
	a flaw on a surface resulting when an applied substance does not adhere (as an air bubble in a coat of paint)