laundry stiffener vs fabric stiffener

laundry stiffener and fabric stiffener both are nouns.

Word	Noun	Adjective	Verb	Adverb
laundry stiffener	Yes	No	No	No
fabric stiffener	Yes	No	No	No

As nouns, laundry stiffener and fabric stiffener are synonyms defined as:

laundry stiffener and fabric stiffener: a formulation added to laundry in order to stiffen the fabric.

laundry stiffener (noun)	fabric stiffener (noun)
a formulation added to laundry in order to stiffen the fabric.	a formulation added to laundry in order to stiffen the fabric.