youthful [Adjective] + vigour [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
632.1
AWT:
36,401,127
TTEST:
1.99
G2:
43.05
FAWT:
1.49
MI:
7.32
LOGLOG:
14.64
JD:
0.51
MI3:
11.32
DICE:
0.78
RANGE: