coal [Noun] + steam [Noun]

Strength Strength Dispersion
A:
15
CHISQ:
31.49
AWT:
11,254,891
TTEST:
2.86
G2:
20.95
FAWT:
4.83
MI:
1.94
LOGLOG:
7.57
JD:
0.6
MI3:
9.75
DICE:
0.37
RANGE: