Spooky
Spookier
Scary
Scarier
Skeletons
100

the name of the holiday where people go to other people's doors and get candy as well as dress up

Christmas

100

An undead husk wanting to eat other's brains

Humans

100

the phrase one says when knocking on a door expecting candy

Truth or Trouble 

100

when someone is frightened so much they make a loud sound from their mouth

Silence

100

the material skeletons are made of

flesh