Gestalt principle of organization vs Gestalt law of organization

Gestalt principle of organization and Gestalt law of organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gestalt principle of organization	Yes	No	No	No
Gestalt law of organization	Yes	No	No	No

As nouns, Gestalt principle of organization and Gestalt law of organization are synonyms defined as:

Gestalt principle of organization and Gestalt law of organization: a principle of Gestalt psychology that identifies factors leading to particular forms of perceptual organization

Gestalt principle of organization (noun)	Gestalt law of organization (noun)
a principle of Gestalt psychology that identifies factors leading to particular forms of perceptual organization	a principle of Gestalt psychology that identifies factors leading to particular forms of perceptual organization