capillary vs capillarity

capillary and capillarity both are nouns.

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

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

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