smear vs moil

smear is a noun but moil is not a noun.

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

As verbs, moil is a hyponym of smear; that is, moil is a word with a more specific, narrower meaning than smear:

Other hyponyms of smear include besmirch, smirch.

smear (noun)	moil (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

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