Open English Wordnet
Nouns
(n)scruplea unit of apothecary weight equal to 20 grains (n)scruple, qualm, misgivinguneasiness about the fitness of an action (particularly for reasons of ethics, morals or propriety) (n)scruplean ethical or moral principle that inhibits action Verbs
(v)scruplehesitate on moral grounds“The man scrupled to perjure himself” (v)scrupleraise scruples“He lied and did not even scruple about it”