drawing string vs drawstring

drawing string and drawstring both are nouns.

Word	Noun	Adjective	Verb	Adverb
drawing string	Yes	No	No	No
drawstring	Yes	No	No	No

As nouns, drawing string and drawstring are synonyms defined as:

drawing string and drawstring: a tie consisting of a cord that goes through a seam around an opening

Other synonyms of drawing string include string.

drawing string (noun)	drawstring (noun)
a tie consisting of a cord that goes through a seam around an opening	a tie consisting of a cord that goes through a seam around an opening