eyespot vs marking

eyespot and marking both are nouns.

Word	Noun	Adjective	Verb	Adverb
eyespot	Yes	No	No	No
marking	Yes	No	No	No

As nouns, marking is a hypernym of eyespot; that is, marking is a word with a broader meaning than eyespot:

eyespot: an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color
marking: a pattern of marks

eyespot (noun)	marking (noun)
an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color	evaluation of performance by assigning a grade or score
	the act of making a visible mark on a surface
	a pattern of marks
	a distinguishing symbol