Quadruple

2 clues
Fourfold
Increase fourfold
Similar answers:
Advicesquad
Aquadrama
Awkwardsquad
Bombedsquad
Bombsquad
Bombsquads
Chariotsquad
Cruple
Demolitionsquad
Emquad
Fraudsquad
Gangstersquad
Geeksquad
Gleeksquad
Godsquad
Goonsquad
Gopconsquad
Hiringsquad
Hiringsquads
Hitsquad