"compunction of" is correct and usable in written English.
It means "feeling of unease or regret for something done". For example: He felt a compunction of guilt for not being able to do more to help the homeless.
Is this taste a self-flagellating compunction of the spendthrift rich?
He never spoke of God, that I know of; a compunction of intellectual taste seems to have forbidden it.
Despite manifest flaws, the first two installments radiated passion and curiosity; the third speaks of exhaustion and compunction, of a job that needed to be finished.
Craig Robinson lends Curtis a firm manner and bluff humor that find a reflection in Morris's blend of boldness and compunction, of fierce will and stern principle.
Certain angles embody specific ideals within the physical compunction of mortar and stone.
The Warm Blanket: A regular user of the internet with no compunction of any evil doing in the world.
Turns out 15, which is more a limit of their brand-availability than any sort of compunction on the part of the bodega proprietor.
The chocolate icing on Chaim's face told one story; the compunctions of the rest told another.
The reality is different: Macintyre points out that it was MI5, overwhelmingly staffed by ex-coppers, who ensured that Philby sloped off to his Kremlin paymasters in 1963, despite the compunctions of his class allies in MI6.
However, Dowling describes Müller as "impercipient of the subtle twists of theological argument, the fine shadings and compunctions of Victorian religious feeling" – a weakness that was held against him.
Without such a concept, talk of "compunction" is out of place.
