microchip vs integrated circuit

microchip and integrated circuit both are nouns.

Word	Noun	Adjective	Verb	Adverb
microchip	Yes	No	No	No
integrated circuit	Yes	No	No	No

microchip (noun)	integrated circuit (noun)
electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit	a microelectronic computer circuit incorporated into a chip or semiconductor; a whole system rather than a single component