Pumpkaboo/Gourgeist does not learn the following as well:
Charm
Rollout
Psyshock
Psywave
Haze
Power Split
Guard Split
Future Sight
Dream Eater
Growl
Captivate
Gastro Acid
Edit: More incompatible moves
Slash
Fury Cutter
Tackle
Spark
Snatch
Water Gun
Powder Snow
Headbutt
Weather Ball
Lick
Nightmare
Smokescreen
Assurance
Clear Smog
Self-Destruct
Endeavor
Skill Swap
Heal Block
Wonder Room
Rollout
Psyshock
Psywave
Haze
Power Split
Guard Split
Future Sight
Dream Eater
Growl
Captivate
Gastro Acid
Edit: More incompatible moves
Slash
Fury Cutter
Tackle
Spark
Snatch
Water Gun
Powder Snow
Headbutt
Weather Ball
Lick
Nightmare
Smokescreen
Assurance
Clear Smog
Self-Destruct
Endeavor
Skill Swap
Heal Block
Wonder Room
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