softener

About 0.16 uses per million words.

Meaning

1. noun One who, or that which, softens. A water softener. Fabric softener. A substance added to make something softer.
2. noun A water softener.
3. noun Fabric softener.
4. noun A substance added to make something softer.

Similar words

softner soother smoother clarifier quietener brightener waterer hardener defuser nourisher

Often followed by

and is in for to or of sheets sheet