decree vs decree nisi

decree and decree nisi both are nouns.

Word	Noun	Adjective	Verb	Adverb
decree	Yes	No	Yes	No
decree nisi	Yes	No	No	No

As nouns, decree nisi is a hyponym of decree; that is, decree nisi is a word with a more specific, narrower meaning than decree:

decree: a legally binding command or decision entered on the court record (as if issued by a court or judge)
decree nisi: a decree issued on a first petition for divorce; becomes absolute at some later date

decree (noun)	decree nisi (noun)
a legally binding command or decision entered on the court record (as if issued by a court or judge)	a decree issued on a first petition for divorce; becomes absolute at some later date

decree (verb)	decree nisi (verb)
decide with authority
issue a decree