harder [Adjective] + rock [Noun]

Strength Strength Dispersion
A:
5
CHISQ:
11.78
AWT:
17,115,706
TTEST:
1.69
G2:
9.59
FAWT:
3.18
MI:
2.04
LOGLOG:
4.73
JD:
0.56
MI3:
6.68
DICE:
0.09
RANGE: