Doily and Napkin

Doily noun - A small round piece of linen placed under a dish or bowl.

Napkin and doily are semantically related In some cases you can use "Napkin" instead a noun "Doily".

Napkin noun - A small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing.

Doily and napkin are semantically related in linen topic. You can use "Doily" instead a noun "Napkin".