cerise vs ruby-red

cerise is a noun but ruby-red is not a noun.

Word	Noun	Adjective	Verb	Adverb
cerise	Yes	Yes	No	No
ruby-red	No	Yes	No	No

As adjectives, cerise and ruby-red are synonyms defined as:

cerise and ruby-red: of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies

Other synonyms of cerise include blood-red, carmine, cherry-red, cherry, crimson, red, reddish, ruby, ruddy, scarlet.

cerise (noun)	ruby-red (noun)
a red the color of ripe cherries

cerise (adjective)	ruby-red (adjective)
of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies	of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies