shirttail vs textile

shirttail and textile both are nouns.

Word	Noun	Adjective	Verb	Adverb
shirttail	Yes	No	No	No
textile	Yes	Yes	No	No

As nouns, textile is a hypernym of shirttail; that is, textile is a word with a broader meaning than shirttail:

shirttail: fabric forming the tail of a shirt
textile: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of shirttail include cloth, fabric, material.

shirttail (noun)	textile (noun)
fabric forming the tail of a shirt	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
a brief addendum at the end of a newspaper article

shirttail (adjective)	textile (adjective)
	of or relating to fabrics or fabric making