smudge

nouns

a smoky fire to drive away insects
smudge
is a type of (narrower)
the event of something burning (often destructive)
"they lost everything in the fire"
fire
a blemish made by dirt
"he had a smudge on his cheek"
blot, daub, slur, smear, smirch, smudge, spot
is derived from
smudgy

verbs

make a smudge on; soil by smudging
blur, smear, smudge, smutch