outcropping vs belay

outcropping and belay both are nouns.

Word	Noun	Adjective	Verb	Adverb
outcropping	Yes	No	No	No
belay	Yes	No	Yes	No

As nouns, belay is a hyponym of outcropping; that is, belay is a word with a more specific, narrower meaning than outcropping:

outcropping: the part of a rock formation that appears above the surface of the surrounding land
belay: something to which a mountain climber's rope can be secured

Other hyponyms of outcropping include outthrust.

outcropping (noun)	belay (noun)
the part of a rock formation that appears above the surface of the surrounding land	something to which a mountain climber's rope can be secured

outcropping (verb)	belay (verb)
	fasten a boat to a bitt, pin, or cleat
	turn a rope round an object or person in order to secure it or him