assizes vs court of assize and nisi prius

assizes and court of assize and nisi prius both are nouns.

Word	Noun	Adjective	Verb	Adverb
assizes	Yes	No	No	No
court of assize and nisi prius	Yes	No	No	No

As nouns, assizes and court of assize and nisi prius are synonyms defined as:

assizes and court of assize and nisi prius: the county courts of England (replaced in 1971 by Crown courts)

Other synonyms of assizes include court of assize.

assizes (noun)	court of assize and nisi prius (noun)
the county courts of England (replaced in 1971 by Crown courts)	the county courts of England (replaced in 1971 by Crown courts)