scarlet vs vermilion

scarlet and vermilion both are nouns.

Word	Noun	Adjective	Verb	Adverb
scarlet	Yes	Yes	No	No
vermilion	Yes	Yes	Yes	No

As nouns, scarlet and vermilion are synonyms defined as:

scarlet and vermilion: a variable color that is vivid red but sometimes with an orange tinge

Other synonyms of scarlet include orange red.

scarlet (noun)	vermilion (noun)
a variable color that is vivid red but sometimes with an orange tinge	a variable color that is vivid red but sometimes with an orange tinge

scarlet (adjective)	vermilion (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 vivid red to reddish-orange color

scarlet (verb)	vermilion (verb)
	color vermilion