back [Adjective] + pain [Noun]

Strength Strength Dispersion
A:
11
CHISQ:
68.88
AWT:
11,265,446
TTEST:
2.91
G2:
31.15
FAWT:
4.83
MI:
3.02
LOGLOG:
10.46
JD:
0.61
MI3:
9.94
DICE:
0.22
RANGE: