sphere, ball

ORB
WordClue
BALLsphere
CRAZYnut ball
GLOBEsphere, orb
BOBBLEfurry ball attached on top of a hat
FUMBLEball etc. that has been dropped
SPHEREorb, ball
TENNISball sport with racket and net
BEARINGball or roller
GRENADEfire-ball, bomb-shell
DISCIPLINEsphere, field
GLOBEsphere
DISCIPLINEsphere, field