Following are all the spoilsport like words, in the list below.
KILLJOY
100% like spoilsport
PARTY POOPER
100% like spoilsport
WET BLANKET
100% like spoilsport
SPOILER
33.39% like spoilsport
DESPOILER
33.39% like spoilsport
SPOOFER
33.39% like spoilsport
SPOILEE
33.39% like spoilsport
TIME-WASTER
33.39% like spoilsport
JOY KILLER
33.39% like spoilsport
TROUBLEMAKER
33.39% like spoilsport
SABOTAGER
33.39% like spoilsport
SPOILSMAN
33.39% like spoilsport
SABOTEUR
33.39% like spoilsport
MARPLOT
33.39% like spoilsport
GOOD SPORT
33.39% like spoilsport
CHEAT
33.39% like spoilsport
MISCHIEF-MAKER
33.39% like spoilsport
SPOILERWHORE
33.39% like spoilsport
GRINCH
33.39% like spoilsport
SPOILERETTE
33.39% like spoilsport
HUNT SABOTEUR
33.39% like spoilsport
RUINER
33.39% like spoilsport
SPOLIATOR
33.39% like spoilsport
RULEBREAKER
33.39% like spoilsport
SPOILERVIRGIN
33.39% like spoilsport
POOPER
33.39% like spoilsport
SUPPRESSOR
33.39% like spoilsport
WIND-UP MERCHANT
33.39% like spoilsport
SPOILSMONGER
33.39% like spoilsport
PRANKSTER
33.39% like spoilsport
TRICKSTER
33.39% like spoilsport
FOILER
33.39% like spoilsport
SABO
33.39% like spoilsport
SCAMP
33.39% like spoilsport
TEASER
33.39% like spoilsport
SCOTCHER
33.39% like spoilsport
CHEATER
33.39% like spoilsport
OPPONENT
33.39% like spoilsport
PEACEBREAKER
33.39% like spoilsport
MONGERER
33.39% like spoilsport
SCORNER
33.39% like spoilsport
SNOOPER
33.39% like spoilsport
TROUBLE-MONGER
33.39% like spoilsport
ILL-WISHER
33.39% like spoilsport
DROPPER
33.39% like spoilsport
WISE GUY
33.39% like spoilsport
TABOOER
33.39% like spoilsport
RUINATOR
33.39% like spoilsport
BUSYBODY
33.39% like spoilsport
BANDIT
33.39% like spoilsport
HURTER
33.39% like spoilsport
EXASPERATOR
33.39% like spoilsport
SCANDALIZER
33.39% like spoilsport
POWERMONGER
33.39% like spoilsport
INCONVENIENCER
33.39% like spoilsport
ROMPER
33.39% like spoilsport
SIDETRACKER
33.39% like spoilsport
SUBVERTOR
33.39% like spoilsport
DIVERSANT
33.39% like spoilsport
JINXER
33.39% like spoilsport
SORE WINNER
33.39% like spoilsport
FORBIDDER
33.39% like spoilsport
CUTTER-OFF
33.39% like spoilsport
DISCOURAGER
33.39% like spoilsport
CHECKER
33.39% like spoilsport
PREDATOR
33.39% like spoilsport
CHEATER, CHEATER, PUMPKIN EATER
33.39% like spoilsport
UNDERMINER
33.39% like spoilsport
KNIFE TWISTER
33.39% like spoilsport
OPPRESSOR
33.39% like spoilsport
FOOL
33.39% like spoilsport
TAMPERER
33.39% like spoilsport
SMEARER
33.39% like spoilsport
SPLURGER
33.39% like spoilsport
MALTREATER
33.39% like spoilsport
SQUELCHER
33.39% like spoilsport
JEOPARDIZER
33.39% like spoilsport
PROHIBITOR
33.39% like spoilsport
MISBEHAVER
33.39% like spoilsport
RULEMONGER
33.39% like spoilsport
WASTER
33.39% like spoilsport
THWARTER
33.39% like spoilsport
PLAYTHING
33.39% like spoilsport
OVERREACHER
33.39% like spoilsport
DISPLEASER
33.39% like spoilsport
GRIEFER
33.39% like spoilsport
DAMAGER
33.39% like spoilsport
OUTER
33.39% like spoilsport
HAMPERER
33.39% like spoilsport
POT STIRRER
33.39% like spoilsport
DIVERSIONIST
33.39% like spoilsport
COUNTERPLOTTER
33.39% like spoilsport
SPURNER
33.39% like spoilsport
SUBVERTER
33.39% like spoilsport
SNIPER
33.39% like spoilsport
SCAPEGOATER
33.39% like spoilsport
DUST-OUT
33.39% like spoilsport
TORTURER
33.39% like spoilsport
SNOWPLOW PARENT
33.39% like spoilsport
TEASE
33.39% like spoilsport
