wave form vs wave shape

wave form and wave shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
wave form	Yes	No	No	No
wave shape	Yes	No	No	No

As nouns, wave form and wave shape are synonyms defined as:

wave form and wave shape: the shape of a wave illustrated graphically by plotting the values of the period quantity against time

Other synonyms of wave form include waveform.

wave form (noun)	wave shape (noun)
the shape of a wave illustrated graphically by plotting the values of the period quantity against time	the shape of a wave illustrated graphically by plotting the values of the period quantity against time