Following are all the half-wit like words, in the list below.
DIMWIT
100% like half-wit
IDIOT
100% like half-wit
NITWIT
100% like half-wit
MORON
100% like half-wit
DOOFUS
100% like half-wit
IMBECILE
100% like half-wit
RETARD
99.95% like half-wit
CHANGELING
99.6% like half-wit
CRETIN
99.41% like half-wit
HALF-NATURAL
33.39% like half-wit
LACKWIT
33.39% like half-wit
HALFWITTERY
33.39% like half-wit
UNDERWIT
33.39% like half-wit
DUNCE
33.39% like half-wit
UNWIT
33.39% like half-wit
NIMWIT
33.39% like half-wit
HALF-MEASURE
33.39% like half-wit
WITTICASTER
33.39% like half-wit
INEXPERT
33.39% like half-wit
SUBMORON
33.39% like half-wit
NOT THE SHARPEST TOOL IN THE BOX
33.39% like half-wit
NOT THE SHARPEST TOOL IN THE SHED
33.39% like half-wit
SAD SACK
33.39% like half-wit
INCOMPETENT
33.39% like half-wit
UNWORTHY
33.39% like half-wit
POLTROON
33.39% like half-wit
HALF-TRUTH
33.39% like half-wit
ADDLE-BRAIN
33.39% like half-wit
MALADROIT
33.39% like half-wit
NONCOMPOS
33.39% like half-wit
DEADLEG
33.39% like half-wit
NIMBECILE
33.39% like half-wit
ILLITERATE
33.39% like half-wit
LACK-MIND
33.39% like half-wit
ANALPHABET
33.39% like half-wit
SLUGGARD
33.39% like half-wit
AMENT
33.39% like half-wit
INCAPABLE
33.39% like half-wit
SEMIMUTE
33.39% like half-wit
SUBINTELLECTUAL
33.39% like half-wit
WITWANTON
33.39% like half-wit
UNADEPT
33.39% like half-wit
IDIOTISM
33.39% like half-wit
DOTARD
33.39% like half-wit
CLUMSY
33.39% like half-wit
WRETCH
33.39% like half-wit
UNSKILL
33.39% like half-wit
FEEBLING
33.39% like half-wit
INNOCENT
33.39% like half-wit
FOOL TO ONESELF
33.39% like half-wit
IGNORAMUS
33.39% like half-wit
WRONGHEAD
33.39% like half-wit
LACK-LATIN
33.39% like half-wit
IGNORANT
33.39% like half-wit
GOOD-FOR-NOTHING
33.39% like half-wit
DUNCEDOM
33.39% like half-wit
WET END
33.39% like half-wit
HAREBRAIN
33.39% like half-wit
ANALPHABETIC
33.39% like half-wit
WORM
33.39% like half-wit
FAINEANT
33.39% like half-wit
SIMPLETON
33.39% like half-wit
BUNGLING
33.39% like half-wit
CACK-HANDEDNESS
33.39% like half-wit
WALLYDRAIGLE
33.39% like half-wit
NITWITTERY
33.39% like half-wit
JACKASSISM
33.39% like half-wit
SCHLEMIEL
33.39% like half-wit
NO-GOOD
33.39% like half-wit
MISHIRE
33.39% like half-wit
ALMOST
33.39% like half-wit
VACANCY
33.39% like half-wit
LAME DUCK
33.39% like half-wit
FOOLING
33.39% like half-wit
WIMP
33.39% like half-wit
DO-NOTHING
33.39% like half-wit
FAINTHEART
33.39% like half-wit
NATURAL
33.39% like half-wit
NEARLY MAN
33.39% like half-wit
LOSER
33.39% like half-wit
OBTUNDER
33.39% like half-wit
SLACK-HANDED
33.39% like half-wit
NOGOODNIK
33.39% like half-wit
INSIPIENCE
33.39% like half-wit
AFTERWIT
33.39% like half-wit
FRIVOL
33.39% like half-wit
BAD JOKE
33.39% like half-wit
HEEL
33.39% like half-wit
CURMUDGEON
33.39% like half-wit
MISERABLE
33.39% like half-wit
AMATEUR
33.39% like half-wit
IGNORANCE
33.39% like half-wit
BOEOTIAN
33.39% like half-wit
IMPOTENT
33.39% like half-wit
FATUITY
33.39% like half-wit
FATUOUSNESS
33.39% like half-wit
NIMSHY
33.39% like half-wit
INANITY
33.39% like half-wit
WEAKLING
33.39% like half-wit
OMADHAUN
33.39% like half-wit