apogee vs point of apoapsis

apogee and point of apoapsis both are nouns.

Word	Noun	Adjective	Verb	Adverb
apogee	Yes	No	No	No
point of apoapsis	Yes	No	No	No

As nouns, point of apoapsis is a hypernym of apogee; that is, point of apoapsis is a word with a broader meaning than apogee:

apogee: apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth
point of apoapsis: (astronomy) the point in an orbit farthest from the body being orbited

Other hypernyms of apogee include apoapsis.

apogee (noun)	point of apoapsis (noun)
apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth	(astronomy) the point in an orbit farthest from the body being orbited
a final climactic stage