glide slope vs approach path

glide slope and approach path both are nouns.

Word	Noun	Adjective	Verb	Adverb
glide slope	Yes	No	No	No
approach path	Yes	No	No	No

As nouns, glide slope and approach path are synonyms defined as:

glide slope and approach path: the final path followed by an aircraft as it is landing

Other synonyms of glide slope include approach, glide path.

glide slope (noun)	approach path (noun)
the final path followed by an aircraft as it is landing	the final path followed by an aircraft as it is landing