I did a few quick breeding tests with Gallade. Pumpkaboo gets none of the following as Egg Moves:
Teleport
Lucky Chant
Magical Leaf
Heal Pulse
Stored Power
Close Combat
Leaf Blade
Night Slash
Swords Dance
Psycho Cut
Helping Hand
Feint
EDIT: Also tried breeding with a Gardevoir. Gourgeist...