W4A1T1E1R1P3R1O1O1F4I1N1G2
22 points
WATERPROOFING is validvalid
the act of waterproofing [n WATERPROOFINGS] / WATERPROOF, [v]
the act of making waterproof; material that does this [n -S]
the act of waterproofing [n WATERPROOFINGS] / WATERPROOF, [v]
the act of making waterproof; material that does this [n -S]