bicycle vs bike

bicycle and bike both are nouns.

Word	Noun	Adjective	Verb	Adverb
bicycle	Yes	No	Yes	No
bike	Yes	No	Yes	No

As nouns, bicycle and bike are synonyms defined as:

bicycle and bike: a wheeled vehicle that has two wheels and is moved by foot pedals

Other synonyms of bicycle include cycle, wheel.

As verbs, bicycle and bike are synonyms defined as:

Other synonyms of bicycle include cycle, pedal, wheel.

bicycle (noun)	bike (noun)
a wheeled vehicle that has two wheels and is moved by foot pedals	a wheeled vehicle that has two wheels and is moved by foot pedals
	a motor vehicle with two wheels and a strong frame

bicycle (verb)	bike (verb)
ride a bicycle	ride a bicycle