S1O1U1N1D2P3R1O1O1F4I1N1G2S1
21 points
SOUNDPROOFINGS is validvalid
SOUNDPROOFING, the act of soundproofing [n]
SOUNDPROOFING, insulation to obstruct the passage of sound [n]
SOUNDPROOFING, the act of soundproofing [n]
SOUNDPROOFING, insulation to obstruct the passage of sound [n]