napkin vs table napkin

napkin and table napkin both are nouns.

Word	Noun	Adjective	Verb	Adverb
napkin	Yes	No	No	No
table napkin	Yes	No	No	No

As nouns, napkin and table napkin are synonyms defined as:

napkin and table napkin: a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing

Other synonyms of napkin include serviette.

napkin (noun)	table 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	a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement