spacesuit vs pressure suit

spacesuit and pressure suit both are nouns.

Word	Noun	Adjective	Verb	Adverb
spacesuit	Yes	No	No	No
pressure suit	Yes	No	No	No

As nouns, pressure suit is a hypernym of spacesuit; that is, pressure suit is a word with a broader meaning than spacesuit:

spacesuit: a pressure suit worn by astronauts while in outer space
pressure suit: protective garment consisting of an inflatable suit for space or high altitude flying

spacesuit (noun)	pressure suit (noun)
a pressure suit worn by astronauts while in outer space	protective garment consisting of an inflatable suit for space or high altitude flying