indispensable [Adjective] + development [Noun]

Strength Strength Dispersion
A:
5
CHISQ:
7.6
AWT:
16,182,265
TTEST:
1.54
G2:
7.28
FAWT:
3.36
MI:
1.68
LOGLOG:
3.9
JD:
0.56
MI3:
6.32
DICE:
0.03
RANGE: