bell-shaped curve vs Gaussian shape

bell-shaped curve and Gaussian shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
bell-shaped curve	Yes	No	No	No
Gaussian shape	Yes	No	No	No

As nouns, bell-shaped curve and Gaussian shape are synonyms defined as:

bell-shaped curve and Gaussian shape: a symmetrical curve representing the normal distribution

Other synonyms of bell-shaped curve include Gaussian curve, normal curve.

bell-shaped curve (noun)	Gaussian shape (noun)
a symmetrical curve representing the normal distribution	a symmetrical curve representing the normal distribution