ADJ

abortive, attempted, failed, unsuccessful
successful
bloody
bloodless
army, military
palace, presidential
He deposed his father in a palace coup in 1970
communist
boardroom
She lost her position in a boardroom coup (= a sudden change of power among senior managers in a company)

VERB + COUP

launch, mount, stage
foil, put down
The coup was immediately put down and the plotters were shot
plan, plot
lead
come to power in, seize power in
He seized power in a military coup

COUP + NOUN

attempt, plot
leader, plotter

PREP

~ against
an army coup against the president

ADJ

big, brilliant, great, major, real, spectacular
Winning that contract was her greatest coup
diplomatic, financial, intelligence, propaganda, publicity

VERB + COUP

pull off
He managed to pull off a major diplomatic coup