marking vs speckle

marking and speckle both are nouns.

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

As nouns, speckle is a hyponym of marking; that is, speckle is a word with a more specific, narrower meaning than marking:

Other hyponyms of marking include blaze, crisscross, cross, mark, eyespot, ocellus, shading, dapple, fleck, maculation, patch, spot, bar, streak, stripe.

marking (noun)	speckle (noun)
evaluation of performance by assigning a grade or score	a small contrasting part of something
the act of making a visible mark on a surface
a pattern of marks
a distinguishing symbol

marking (verb)	speckle (verb)
	mark with small spots
	produce a mottled effect