piolet vs climbing equipment

piolet and climbing equipment both are nouns.

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

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

piolet: an ax used by mountain climbers for cutting footholds in ice
climbing equipment: sports equipment used during rock or any other type of climbing.

Other hypernyms of piolet include ax, axe, rock-climbing equipment.

piolet (noun)	climbing equipment (noun)
an ax used by mountain climbers for cutting footholds in ice	sports equipment used during rock or any other type of climbing.