red-header vs redhead

red-header and redhead both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-header	Yes	No	No	No
redhead	Yes	No	No	No

As nouns, red-header and redhead are synonyms defined as:

Other synonyms of red-header include carrottop, redheader.

red-header (noun)	redhead (noun)
someone who has red hair	black-and-white North American woodpecker having a red head and neck
	North American diving duck with a grey-and-black body and reddish-brown head
	someone who has red hair