Female parent and Mum

Female parent noun - A woman who has given birth to a child (also used as a term of address to your mother).

Mum and female parent are semantically related. In some cases you can use "Mum" instead a noun phrase "Female parent".

Mum noun - Informal terms for a mother.

Female parent and mum are semantically related. You can use "Female parent" instead a noun "Mum".