belay vs outcropping

belay and outcropping both are nouns.

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

As nouns, outcropping is a hypernym of belay; that is, outcropping is a word with a broader meaning than belay:

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

Other hypernyms of belay include outcrop, rock outcrop, climbing equipment, rock-climbing equipment.

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

belay (verb)	outcropping (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