table linen vs linen

table linen and linen both are nouns.

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

As nouns, linen is a hypernym of table linen; that is, linen is a word with a broader meaning than table linen:

table linen (noun)	linen (noun)
linens for the dining table	white goods or clothing made with linen cloth
	a fabric woven with fibers from the flax plant
	a high-quality paper made of linen fibers or with a linen finish