cy pres doctrine vs rule of cy pres

cy pres doctrine and rule of cy pres both are nouns.

Word	Noun	Adjective	Verb	Adverb
cy pres doctrine	Yes	No	No	No
rule of cy pres	Yes	No	No	No

As nouns, cy pres doctrine and rule of cy pres are synonyms defined as:

cy pres doctrine and rule of cy pres: a rule that when literal compliance is impossible the intention of a donor or testator should be carried out as nearly as possible

Other synonyms of cy pres doctrine include cy pres.

cy pres doctrine (noun)	rule of cy pres (noun)
a rule that when literal compliance is impossible the intention of a donor or testator should be carried out as nearly as possible	a rule that when literal compliance is impossible the intention of a donor or testator should be carried out as nearly as possible