exacerbate [Verb] + difficulty [Noun]

Strength Strength Dispersion
A:
8
CHISQ:
81.71
AWT:
9,245,884
TTEST:
2.6
G2:
30.41
FAWT:
5.88
MI:
3.6
LOGLOG:
10.8
JD:
0.66
MI3:
9.6
DICE:
0.12
RANGE: