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