sesterský angolul

sisterly▼(of or characteristic of a sister or sisters)
adjective
[UK: ˈsɪ.stə.li] [US: ˈsɪ.stə.li]

sororal▼(of or pertaining to a sister)
adjective
[UK: sˈɔːrərəl] [US: sˈoːrɚrəl]