Other hyponyms of slicker include
bluffer,
four-flusher,
chiseler,
chiseller,
defrauder,
gouger,
grifter,
scammer,
swindler,
decoy,
steerer,
dodger,
fox,
slyboots,
betrayer,
double-crosser,
double-dealer,
traitor,
two-timer,
defalcator,
embezzler,
peculator,
falsifier,
finagler,
wangler,
counterfeiter,
forger,
figurehead,
front,
front man,
nominal head,
straw man,
strawman,
dissembler,
dissimulator,
hypocrite,
phoney,
phony,
pretender,
imitator,
impersonator,
fake,
faker,
fraud,
imposter,
impostor,
pretender,
pseud,
pseudo,
role player,
sham,
shammer,
liar,
prevaricator,
misleader,
charlatan,
mountebank,
obscurantist,
sandbagger,
two-timer,
utterer.