Hipparchus vs stargazer

Hipparchus and stargazer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hipparchus	Yes	No	No	No
stargazer	Yes	No	No	No

Hipparchus (noun)	stargazer (noun)
Greek astronomer and mathematician who discovered the precession of the equinoxes and made the first known star chart and is said to have invented trigonometry (second century BC)	heavy-bodied marine bottom-lurkers with eyes on flattened top of the head
	a physicist who studies astronomy
	someone indifferent to the busy world