sundog vs maculation

sundog and maculation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sundog	Yes	No	No	No
maculation	Yes	No	No	No

As nouns, maculation is a hypernym of sundog; that is, maculation is a word with a broader meaning than sundog:

sundog: a bright spot on the parhelic circle; caused by diffraction by ice crystals
maculation: a small contrasting part of something

Other hypernyms of sundog include dapple, fleck, patch, speckle, spot.

sundog (noun)	maculation (noun)
a bright spot on the parhelic circle; caused by diffraction by ice crystals	the act of spotting or staining something
	a small contrasting part of something