ruddy vs sanguine

ruddy is not a noun while sanguine is a noun.

Word	Noun	Adjective	Verb	Adverb
ruddy	No	Yes	No	No
sanguine	Yes	Yes	No	No

As adjectives, ruddy and sanguine are synonyms defined as:

ruddy and sanguine: inclined to a healthy reddish color often associated with outdoor life

Other synonyms of ruddy include florid, rubicund.

ruddy (noun)	sanguine (noun)
	chalk of a reddish-brown colour that resembles dried blood
	a blood-red color

ruddy (adjective)	sanguine (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	inclined to a healthy reddish color often associated with outdoor life
inclined to a healthy reddish color often associated with outdoor life	confidently optimistic and cheerful