sundog vs speckle

sundog and speckle both are nouns.

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

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

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

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

sundog (noun)	speckle (noun)
a bright spot on the parhelic circle; caused by diffraction by ice crystals	a small contrasting part of something

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