knock [Noun] + sound [Verb]

Strength Strength Dispersion
A:
5
CHISQ:
25.76
AWT:
30,704,470
TTEST:
1.92
G2:
14.98
FAWT:
1.77
MI:
2.81
LOGLOG:
6.52
JD:
0.4
MI3:
7.45
DICE:
0.1
RANGE: