Butterfly and Old bag

Butterfly noun - Diurnal insect typically having a slender body with knobbed antennae and broad colorful wings.

Old bag and butterfly are semantically related. in woman topic. In some cases you can use "Old bag" instead a noun "Butterfly".

Old bag noun - An ugly or ill-tempered woman.

Butterfly and old bag are semantically related. Sometimes you can use "Butterfly" instead a noun phrase "Old bag".