Caterpillar vs tracked vehicle

Caterpillar and tracked vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Caterpillar	Yes	No	No	No
tracked vehicle	Yes	No	No	No

As nouns, tracked vehicle is a hypernym of Caterpillar; that is, tracked vehicle is a word with a broader meaning than Caterpillar:

Caterpillar: a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work
tracked vehicle: a self-propelled vehicle that moves on tracks

Caterpillar (noun)	tracked vehicle (noun)
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work	a self-propelled vehicle that moves on tracks