apoapsis vs apolune

apoapsis and apolune both are nouns.

Word	Noun	Adjective	Verb	Adverb
apoapsis	Yes	No	No	No
apolune	Yes	No	No	No

As nouns, apolune is a hyponym of apoapsis; that is, apolune is a word with a more specific, narrower meaning than apoapsis:

apoapsis: (astronomy) the point in an orbit farthest from the body being orbited
apolune: apoapsis in orbit around the moon

Other hyponyms of apoapsis include apogee, aphelion, apojove, aposelene.

apoapsis (noun)	apolune (noun)
(astronomy) the point in an orbit farthest from the body being orbited	apoapsis in orbit around the moon