hub vs blower

hub and blower both are nouns.

Word	Noun	Adjective	Verb	Adverb
hub	Yes	No	No	No
blower	Yes	No	No	No

hub (noun)	blower (noun)
the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes	large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales, dolphins, porpoises, narwhals
a center of activity or interest or commerce or transportation; a focal point around which events revolve	a device that produces a current of air
	a fan run by an electric motor