Occam's Razor vs law of parsimony

Occam's Razor and law of parsimony both are nouns.

Word	Noun	Adjective	Verb	Adverb
Occam's Razor	Yes	No	No	No
law of parsimony	Yes	No	No	No

As nouns, Occam's Razor and law of parsimony are synonyms defined as:

Occam's Razor and law of parsimony: the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred

Other synonyms of Occam's Razor include Ockham's Razor, principle of parsimony.

Occam's Razor (noun)	law of parsimony (noun)
the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred	the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred