Ball

baile

(formal dance)

bala

(ballistics: a solid nonexplosive missile)

balón

(object, generally spherical, used for playing games)

bóla

(solid or hollow sphere)

bóla

(object, generally spherical, used for playing games)

collón

(testicle — see also testicle)

pelota

(object, generally spherical, used for playing games)

pulpillo

(anatomy: ball of a foot)