moil vs smear

moil is not a noun while smear is a noun.

Word	Noun	Adjective	Verb	Adverb
moil	No	No	Yes	No
smear	Yes	No	Yes	No

As verbs, smear is a hypernym of moil; that is, smear is a word with a broader meaning than moil:

moil (noun)	smear (noun)
	an act that brings discredit to the person who does it
	a blemish made by dirt
	a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
	slanderous defamation

moil (verb)	smear (verb)
moisten or soil	charge falsely or with malicious intent; attack the good name and reputation of someone
be agitated	make a smudge on; soil by smudging
work hard	stain by smearing or daubing with a dirty substance
	cover (a surface) by smearing (a substance) over it