piton vs climbing equipment

piton and climbing equipment both are nouns.

Word	Noun	Adjective	Verb	Adverb
piton	Yes	No	No	No
climbing equipment	Yes	No	No	No

As nouns, climbing equipment is a hypernym of piton; that is, climbing equipment is a word with a broader meaning than piton:

piton: a metal spike with a hole for a rope; mountaineers drive it into ice or rock to use as a hold
climbing equipment: sports equipment used during rock or any other type of climbing.

Other hypernyms of piton include spike, rock-climbing equipment.

piton (noun)	climbing equipment (noun)
a metal spike with a hole for a rope; mountaineers drive it into ice or rock to use as a hold	sports equipment used during rock or any other type of climbing.