drainage [Noun] + hole [Noun]

Strength Strength Dispersion
A:
14
CHISQ:
84.4
AWT:
13,660,592
TTEST:
3.27
G2:
37.73
FAWT:
3.98
MI:
2.98
LOGLOG:
11.35
JD:
0.52
MI3:
10.59
DICE:
0.35
RANGE: