capillarity vs capillary

capillarity and capillary both are nouns.

Word	Noun	Adjective	Verb	Adverb
capillarity	Yes	No	No	No
capillary	Yes	Yes	No	No

capillarity (noun)	capillary (noun)
a phenomenon associated with surface tension and resulting in the elevation or depression of liquids in capillaries	a tube of small internal diameter; holds liquid by capillary action
	any of the minute blood vessels connecting arterioles with venules

capillarity (adjective)	capillary (adjective)
	of or relating to hair
	long and slender with a very small internal diameter