Following are all the lethally like words, in the list below.
MORTALLY
100% like lethally
DEADLY
100% like lethally
FATALLY
100% like lethally
DEATHLY
100% like lethally
DANGEROUSLY
50.08% like lethally
DEVASTATINGLY
50.08% like lethally
MURDEROUSLY
50.08% like lethally
HORRIFICALLY
50.08% like lethally
BRUTALLY
50.08% like lethally
IMPOSSIBLY
50.08% like lethally
TERRIFYINGLY
50.08% like lethally
FRIGHTENINGLY
50.08% like lethally
TOXICALLY
50.08% like lethally
POISONOUSLY
50.08% like lethally
HIDEOUSLY
50.08% like lethally
DIABOLICALLY
50.08% like lethally
OUTRAGEOUSLY
50.08% like lethally
TERRIFICALLY
50.08% like lethally
INSANELY
50.08% like lethally
INFERNALLY
50.08% like lethally
NOXIOUSLY
50.08% like lethally
HORRIFYINGLY
50.08% like lethally
POTENTLY
50.08% like lethally
EXCEPTIONALLY
50.08% like lethally
ABSURDLY
50.08% like lethally
DELICIOUSLY
50.08% like lethally
PAINFULLY
50.08% like lethally
SCARILY
50.08% like lethally
SUPREMELY
50.08% like lethally
GRUESOMELY
50.08% like lethally
SUICIDALLY
50.08% like lethally
SEVERELY
50.08% like lethally
VICIOUSLY
50.08% like lethally
UNBELIEVABLY
50.08% like lethally
HORRENDOUSLY
50.08% like lethally
EXTRAORDINARILY
50.08% like lethally
EXHILARATINGLY
50.08% like lethally
RIDICULOUSLY
50.08% like lethally
DELIGHTFULLY
50.08% like lethally
HEINOUSLY
50.08% like lethally
HELLISHLY
50.08% like lethally
PHENOMENALLY
50.08% like lethally
NIGHTMARISHLY
50.08% like lethally
TORTUROUSLY
50.08% like lethally
SPECTACULARLY
50.08% like lethally
STUPENDOUSLY
50.08% like lethally
UNNERVINGLY
50.08% like lethally
MONSTROUSLY
50.08% like lethally
UNFATHOMABLY
50.08% like lethally
HORRIBLY
50.08% like lethally
DAMNABLY
50.08% like lethally
INCREDIBLY
50.08% like lethally
EXOTICALLY
50.08% like lethally
SAVAGELY
50.08% like lethally
CALCULATEDLY
50.08% like lethally
APPALLINGLY
50.08% like lethally
FANTASTICALLY
50.08% like lethally
LUDICROUSLY
50.08% like lethally
EXQUISITELY
50.08% like lethally
GROTESQUELY
50.08% like lethally
UNFORGIVABLY
50.08% like lethally
DISTURBINGLY
50.08% like lethally
TERMINALLY
50.08% like lethally
EXCRUCIATINGLY
50.08% like lethally
FORMIDABLY
50.08% like lethally
AWFULLY
50.08% like lethally
UTTERLY
50.08% like lethally
DISASTROUSLY
50.08% like lethally
INFURIATINGLY
50.08% like lethally
CATASTROPHICALLY
50.08% like lethally
UNUSUALLY
50.08% like lethally
BRUTISHLY
50.08% like lethally
PREDICTABLY
50.08% like lethally
EXTREMELY
50.08% like lethally
RADIOACTIVELY
50.08% like lethally
UNNATURALLY
50.08% like lethally
WICKEDLY
50.08% like lethally
REPELLENTLY
50.08% like lethally
SHOCKINGLY
50.08% like lethally
DESTRUCTIVELY
50.08% like lethally
PROBLEMATICALLY
50.08% like lethally
CEREBRALLY
50.08% like lethally
FEARSOMELY
50.08% like lethally
DREADFULLY
50.08% like lethally
PSYCHOTICALLY
50.08% like lethally
TRAGICALLY
50.08% like lethally
BUREAUCRATICALLY
50.08% like lethally
PRETERNATURALLY
50.08% like lethally
INSUFFICIENTLY
50.08% like lethally
RUINOUSLY
50.08% like lethally
CRIPPLINGLY
50.08% like lethally
THRILLINGLY
50.08% like lethally
UNACCEPTABLY
50.08% like lethally
OBSCENELY
50.08% like lethally
RUTHLESSLY
50.08% like lethally
FREAKISHLY
50.08% like lethally
SIMILARLY
50.08% like lethally
ASTOUNDINGLY
50.08% like lethally
PSYCHOPATHICALLY
50.08% like lethally
STUNNINGLY
50.08% like lethally