solenoid vs magnet

solenoid and magnet both are nouns.

Word	Noun	Adjective	Verb	Adverb
solenoid	Yes	No	No	No
magnet	Yes	No	No	No

As nouns, magnet is a hypernym of solenoid; that is, magnet is a word with a broader meaning than solenoid:

solenoid: a coil of wire around an iron core; becomes a magnet when current passes through the coil
magnet: (physics) a device that attracts iron and produces a magnetic field

Other hypernyms of solenoid include coil.

solenoid (noun)	magnet (noun)
a coil of wire around an iron core; becomes a magnet when current passes through the coil	(physics) a device that attracts iron and produces a magnetic field
	a characteristic that provides pleasure and attracts