Sop
con as in 'He tried to con me out of my front-row seat.' sop
kickback
A number of words might be considered the "opposite" of a Bribe. Perhaps Blackmail or Solicitation (of a bribe). See the thesaurus links below.
"Grease" refers to illegal payments made to influence someone's behavior or decision-making.
The word "bribe" originated from the Old French word "bribe," which meant a piece of bread or similar reward given to beggars or servants. Over time, the term evolved to refer to something given to influence or corrupt someone in a position of trust or authority.
sop
cheessee
enticement inducement
yak
sum
A three-letter word for accomplished is usually "did." Perhaps the "t" is incorrect.
con as in 'He tried to con me out of my front-row seat.' sop
cur
kickback
Ono
imp
Xis