Butterfly and Danaid

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

Danaid and butterfly are semantically related. In some cases you can replace term "Danaid" with "Butterfly", this nouns are similar.

Danaid noun - Large tropical butterfly with degenerate forelegs and an unpleasant taste.

Butterfly and danaid are semantically related. You can use "Butterfly" instead a noun "Danaid".