uninominal system vs scrutin uninomial system

uninominal system and scrutin uninomial system both are nouns.

Word	Noun	Adjective	Verb	Adverb
uninominal system	Yes	No	No	No
scrutin uninomial system	Yes	No	No	No

As nouns, uninominal system and scrutin uninomial system are synonyms defined as:

uninominal system and scrutin uninomial system: based on the principle of having only one member (as of a legislature) selected from each electoral district

Other synonyms of uninominal system include scrutin uninominal voting system, single-member system, uninominal voting system.

uninominal system (noun)	scrutin uninomial system (noun)
based on the principle of having only one member (as of a legislature) selected from each electoral district	based on the principle of having only one member (as of a legislature) selected from each electoral district