stain
The word sought may be "smear" (a smudge, or slang to besmirch).
When I was writing in pen, I accidently placed my hand over what I had written and then that carelessly left a big smudge on my page!
scratch or a blurry mark
Superb is another word for excellent. Superb is another word for excellent.
Another word for shake is "Tremble".
SPOT
there was a smudge on the famous painting
She tried to clean the smudge on her glasses with a soft cloth, but it wouldn't go away.
blob,blodge
She planted a gentle kiss on his cheek before saying goodbye.
A small smudge
A small smudge
The plural of smudge is smudges.
The word sought may be "smear" (a smudge, or slang to besmirch).
A small smudge
As a verb, words for blur are, smudge, fog, dim, smear. As a noun, words for blur are, blot, stain, smear, smudge, smirch, blotch.
Smudge isn't a Moshling.