electronic bike vs electronic bicycle

electronic bike and electronic bicycle both are nouns.

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

As nouns, electronic bike and electronic bicycle are synonyms defined as:

electronic bike and electronic bicycle: a bicycle that is built with a motor, the bicycle can be powered by the motor or pedalling of the cyclist

Other synonyms of electronic bike include E-bike.

electronic bike (noun)	electronic bicycle (noun)
a bicycle that is built with a motor, the bicycle can be powered by the motor or pedalling of the cyclist	a bicycle that is built with a motor, the bicycle can be powered by the motor or pedalling of the cyclist