belay vs outcrop

belay and outcrop both are nouns.

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

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

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

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

belay (noun)	outcrop (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)	outcrop (verb)
fasten a boat to a bitt, pin, or cleat	appear on the surface, come to the surface on the ground
turn a rope round an object or person in order to secure it or him