defile vs fleck

defile and fleck both are nouns.

Word	Noun	Adjective	Verb	Adverb
defile	Yes	No	Yes	No
fleck	Yes	No	Yes	No

As verbs, fleck is a hypernym of defile; that is, fleck is a word with a broader meaning than defile:

defile: make dirty or spotty, as by exposure to air; also used metaphorically
fleck: make a spot or mark onto

Other hypernyms of defile include blob, blot, spot.

defile (noun)	fleck (noun)
a narrow pass (especially one between mountains)	a small contrasting part of something
	a small fragment of something broken off from the whole

defile (verb)	fleck (verb)
spot, stain, or pollute	make a spot or mark onto
make dirty or spotty, as by exposure to air; also used metaphorically
place under suspicion or cast doubt upon