lander vs space vehicle

lander and space vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
lander	Yes	No	No	No
space vehicle	Yes	No	No	No

As nouns, space vehicle is a hypernym of lander; that is, space vehicle is a word with a broader meaning than lander:

lander: a space vehicle that is designed to land on the moon or another planet
space vehicle: a craft capable of traveling in outer space; technically, a satellite around the sun

Other hypernyms of lander include ballistic capsule, spacecraft.

lander (noun)	space vehicle (noun)
a space vehicle that is designed to land on the moon or another planet	a craft capable of traveling in outer space; technically, a satellite around the sun