tieback vs pullback

tieback and pullback both are nouns.

Word	Noun	Adjective	Verb	Adverb
tieback	Yes	No	No	No
pullback	Yes	No	No	No

As nouns, tieback and pullback are synonyms defined as:

tieback and pullback: a device (as a decorative loop of cord or fabric) for holding or drawing something back

tieback (noun)	pullback (noun)
a device (as a decorative loop of cord or fabric) for holding or drawing something back	(military) the act of pulling back (especially an orderly withdrawal of troops)
	a device (as a decorative loop of cord or fabric) for holding or drawing something back