highlighter vs highlight

highlighter and highlight both are nouns.

Word	Noun	Adjective	Verb	Adverb
highlighter	Yes	No	No	No
highlight	Yes	No	Yes	No

highlighter (noun)	highlight (noun)
a fluorescent marker used to mark important passages in a text	an area of lightness in a picture
a cosmetic used to highlight the eyes or cheekbones	the most interesting or memorable part

highlighter (verb)	highlight (verb)
	apply a highlighter to one's cheeks or eyebrows in order to make them more prominent
	move into the foreground to make more visible or prominent