синовен означава в английски

filial▼(pertaining to a son or daughter)
adjective
[UK: ˈfɪ.lɪəl] [US: ˈfɪ.liəl]

sonly▼(of, pertaining to, or characteristic of a son)
adjective

adoptee [adoptees]▼noun
[UK: ə.ˌdɑːp.ˈtiː] [US: ə.ˌdɑːp.ˈtiː]