promontory vs foreland

promontory and foreland both are nouns.

Word	Noun	Adjective	Verb	Adverb
promontory	Yes	No	No	No
foreland	Yes	No	No	No

As nouns, promontory and foreland are synonyms defined as:

promontory and foreland: a natural elevation (especially a rocky one that juts out into the sea)

Other synonyms of promontory include head, headland.

promontory (noun)	foreland (noun)
a natural elevation (especially a rocky one that juts out into the sea)	a natural elevation (especially a rocky one that juts out into the sea)
	land forming the forward margin of something