law of parsimony vs Ockham's Razor

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

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

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

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

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

law of parsimony (noun)	Ockham's Razor (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