[かます, kamasu](v5s) (1) to force something into someone's mouth (i.e. a gag); (2) to wedge something into a space, filling it; (3) to feed someone (something)[Add to Longdo]
[かませる, kamaseru](v1) (1) (uk) to force something into someone's mouth (i.e. a gag); (2) to wedge something into a space, filling it; (3) to feed someone (something)[Add to Longdo]