gone or remove
Sluice possibly, maybe Clean or Clear.
"CLEAN"
clean
Chair
Dirt or loam is a four-letter word for soil.
Dirt.
Clean.
grime filth
Grime.
A 4-letter word for something you might take to get clean is "soap." It is commonly used for washing hands, body, or other surfaces to remove dirt and germs.
A synonym for clump of dirt could be "lump of earth" or "pile of soil."
A many-eyed dirt dweller is a potato.