electric fan vs blower

electric fan and blower both are nouns.

Word	Noun	Adjective	Verb	Adverb
electric fan	Yes	No	No	No
blower	Yes	No	No	No

As nouns, electric fan and blower are synonyms defined as:

electric fan (noun)	blower (noun)
a fan run by an electric motor	large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales, dolphins, porpoises, narwhals
	a device that produces a current of air
	a fan run by an electric motor