Grrrrr, Growl, Grumble, Gore, Ghost, Green, Ghastly, Goblin, Gobble.
That's most likely not all of them.
Ghost, ghoul... etc.
ghostghoulgoblingoregrotesque
"Halloween Words" Is very broad, but I will do my best.MonsterM&MsMaskMurderMagic3 MusketeersMilkywayMilkduds
nasty
qweze
Nightmare and ninja costume are Halloween words. They begin with the letter n.
There are several Halloween words that start with the letter S. They are spooky, scary, strange, supernatural, sweets, superstition, and startling.
skeletonscarecrowscare, scaryslimespiritssqueeksscreams
pumpkin pirate
xray costume
FUN lol
Pumpkin