Open English Wordnet
Verbs
(v)abdicate, renouncegive up, such as power, as of monarchs and emperors, or duties and obligations“The King abdicated when he married a divorcee” (v)vacate, resign, renounce, give upleave (a job, post, or position) voluntarily“She vacated the position when she got pregnant”,
“The chairman resigned when he was found to have misappropriated funds”