mountain vs raft

mountain and raft both are nouns.

Word	Noun	Adjective	Verb	Adverb
mountain	Yes	No	No	No
raft	Yes	No	Yes	No

As nouns, mountain and raft are synonyms defined as:

mountain and raft: (often followed by `of') a large number or amount or extent

mountain (noun)	raft (noun)
a land mass that projects well above its surroundings; higher than a hill	a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers
(often followed by `of') a large number or amount or extent	a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete
	(often followed by `of') a large number or amount or extent