minibike vs motorcycle

minibike and motorcycle both are nouns.

Word	Noun	Adjective	Verb	Adverb
minibike	Yes	No	No	No
motorcycle	Yes	No	Yes	No

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

minibike: small motorcycle with a low frame and small wheels and elevated handlebars
motorcycle: a motor vehicle with two wheels and a strong frame

Other hypernyms of minibike include bike.

minibike (noun)	motorcycle (noun)
small motorcycle with a low frame and small wheels and elevated handlebars	a motor vehicle with two wheels and a strong frame

minibike (verb)	motorcycle (verb)
	ride a motorcycle