• gawping,
• apeing,
• maping,
• japna,
• japane,
• junping,
• haping,
• gaoing,
• graping,
• zaping,
• jujing,
• claping,
• weaping,
• gping,
• gaiing,
• jucing,
• joiing,
• jasin,
• caing,
• juping

• Cooping,
• jarring,
• shaping,
• cupping,
• jailing,
• coping,
• jamming,
• warping,
• Aping,
• Soaping,
• jacking,
• zapping,
• Heaping,
• lapping,
• gasping,
• taping,
• keeping,
• Capping,
• mapping,
• camping,
• leaping,
• yapping,
• rapping,
• Reaping,
• paging,
• japan,
• tapping,
• jumping,
• jabbing.

The adverb form of "japing" is "japingly".

The adjective form of the word "japing" is "japish".