trail bike vs motorcycle

trail bike and motorcycle both are nouns.

Word	Noun	Adjective	Verb	Adverb
trail bike	Yes	No	No	No
motorcycle	Yes	No	Yes	No

As nouns, motorcycle is a hypernym of trail bike; that is, motorcycle is a word with a broader meaning than trail bike:

trail bike: a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground
motorcycle: a motor vehicle with two wheels and a strong frame

Other hypernyms of trail bike include bike.

trail bike (noun)	motorcycle (noun)
a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground	a motor vehicle with two wheels and a strong frame

trail bike (verb)	motorcycle (verb)
	ride a motorcycle