Synonyms of own up in English:

own up

See definition of own up


1‘we so often feel guilty and are afraid to own up’

confess, confess to, admit to, admit guilt, plead guilty, accept blame, accept responsibility, acknowledge, acknowledge that, tell the truth, tell the truth about, make a clean breast of it, tell all
informal come clean, come clean about, spill the beans, get something off one's chest

hush up, conceal