Following are all the shathead like words, in the list below.
SHITEHEAD
100% like shathead
SHITEBAG
100% like shathead
SHITE
99.99% like shathead
SHITEHAWK
99.99% like shathead
SHITEATER
99.98% like shathead
KNOBTWAT
99.98% like shathead
POOPYHEAD
99.98% like shathead
HORSESHITE
99.97% like shathead
TITHEAD
99.97% like shathead
TWATHEAD
99.96% like shathead
SHITH**D
99.96% like shathead
DIPSHIT
99.96% like shathead
STUPID-HEAD
99.95% like shathead
ARSEHEAD
99.95% like shathead
DUMBHEAD
99.94% like shathead
GOBSHITE
99.94% like shathead
DUMBSHIT
99.94% like shathead
DUMB-SHIT
99.93% like shathead
SHITTER
99.93% like shathead
SHITWIT
99.92% like shathead
SHITHEEL
99.92% like shathead
ASSHEAD
99.92% like shathead
TWAT
99.91% like shathead
SHITHOLE
99.91% like shathead
SHITFUCKER
99.9% like shathead
POOPHEAD
99.9% like shathead
DICK-HEAD
99.9% like shathead
FUCK-TARD
99.89% like shathead
SHITWAD
99.89% like shathead
ASSHAT
99.88% like shathead
PISSHEAD
99.88% like shathead
CRAPHEAD
99.88% like shathead
DUMBFUCK
99.87% like shathead
DICKHEAD
99.87% like shathead
SUPERSHIT
99.86% like shathead
SHOWER OF SHITE
99.86% like shathead
CUNTFUCK
99.86% like shathead
FUCKTARD
99.85% like shathead
S**THEAD
99.85% like shathead
CUNTFUCKER
99.84% like shathead
DINGHEAD
99.84% like shathead
BOLLOCKS
99.84% like shathead
NOBHEAD
99.83% like shathead
CUNTSHIT
99.83% like shathead
DOODIE HEAD
99.82% like shathead
SHITBRAIN
99.82% like shathead
FUCKTWAT
99.82% like shathead
SLAPHEAD
99.81% like shathead
FATHEAD
99.81% like shathead
SHITHOUSE
99.8% like shathead
SHIT-FOR-BRAINS
99.8% like shathead
FUCKWIT
99.8% like shathead
TWUNT
99.79% like shathead
CRAP HAT
99.79% like shathead
SCROTE
99.78% like shathead
BLOCK-HEAD
99.78% like shathead
SHITSACK
99.78% like shathead
SHITNUTS
99.77% like shathead
ARSEHAT
99.77% like shathead
KNOTHEAD
99.76% like shathead
SCUT
99.76% like shathead
SHIT-HEEL
99.76% like shathead
POOHEAD
99.75% like shathead
SHITCUNT
99.75% like shathead
TWATWAFFLE
99.74% like shathead
SLAG
99.74% like shathead
EEDJIT
99.74% like shathead
HEAD-THE-BALL
99.73% like shathead
SHITHEAP
99.73% like shathead
MUTTONHEAD
99.72% like shathead
DUMB-ASS
99.72% like shathead
DIAPERHEAD
99.72% like shathead
WETHEAD
99.71% like shathead
SHITFUCK
99.71% like shathead
EEJUT
99.7% like shathead
TOSSPOT
99.7% like shathead
EEJIT
99.7% like shathead
SPUD HEAD
99.69% like shathead
DIPHEAD
99.69% like shathead
CONEHEAD
99.68% like shathead
PECKER HEAD
99.68% like shathead
SLUTHEAD
99.68% like shathead
DIPSHIDIOT
99.67% like shathead
WAZZBAG
99.67% like shathead
ARSEFACE
99.66% like shathead
KNUCKLEHEAD
99.66% like shathead
SCUMHEAD
99.66% like shathead
FUCKNUTS
99.65% like shathead
SHITGIBBON
99.65% like shathead
MONGTARD
99.64% like shathead
PISSBRAIN
99.64% like shathead
SILLYHEAD
99.64% like shathead
SHITBEAST
99.63% like shathead
GRISTLEHEAD
99.63% like shathead
BOOFHEAD
99.62% like shathead
WANKER
99.62% like shathead
WANKHEAD
99.62% like shathead
CUNTBAG
99.61% like shathead
SHIT-DISTURBER
99.61% like shathead
CONCRETE-HEAD
99.6% like shathead