smear vs begrime

smear is a noun but begrime is not a noun.

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

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

Other hypernyms of smear include bemire, colly, dirty, grime, soil.

smear (noun)	begrime (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)	begrime (verb)
charge falsely or with malicious intent; attack the good name and reputation of someone	make soiled, filthy, or dirty
make a smudge on; soil by smudging
stain by smearing or daubing with a dirty substance
cover (a surface) by smearing (a substance) over it