sash cord vs sash line

sash cord and sash line both are nouns.

Word	Noun	Adjective	Verb	Adverb
sash cord	Yes	No	No	No
sash line	Yes	No	No	No

As nouns, sash cord and sash line are synonyms defined as:

sash cord and sash line: a strong cord connecting a sash weight to a sliding sash

sash cord (noun)	sash line (noun)
a strong cord connecting a sash weight to a sliding sash	a strong cord connecting a sash weight to a sliding sash