bargain rate vs cut rate

bargain rate and cut rate both are nouns.

Word	Noun	Adjective	Verb	Adverb
bargain rate	Yes	No	No	No
cut rate	Yes	No	No	No

As nouns, bargain rate and cut rate are synonyms defined as:

Other synonyms of bargain rate include cheapness, cut price.

bargain rate (noun)	cut rate (noun)
a price below the standard price	a price below the standard price