velocipede vs trike

velocipede and trike both are nouns.

Word	Noun	Adjective	Verb	Adverb
velocipede	Yes	No	No	No
trike	Yes	No	No	No

As nouns, velocipede and trike are synonyms defined as:

velocipede and trike: a vehicle with three wheels that is moved by foot pedals

Other synonyms of velocipede include tricycle.

velocipede (noun)	trike (noun)
a vehicle with three wheels that is moved by foot pedals	a vehicle with three wheels that is moved by foot pedals
any of several early bicycles with pedals on the front wheel