divorce

nouns

the legal dissolution of a marriage
divorce, divorcement

verbs

part; cease or break association with
"She disassociated herself from the organization when she found out the identity of the president"
disassociate, disjoint, dissociate, disunite, divorce
get a divorce; formally terminate a marriage
"The couple divorced after only 6 months"
divorce, split up
is derived from
divorcement
is derived from
divorcee