indebted vs indebtedness

indebted is not a noun while indebtedness is a noun.

Word	Noun	Adjective	Verb	Adverb
indebted	No	Yes	No	No
indebtedness	Yes	No	No	No

indebted (noun)	indebtedness (noun)
	a personal relation in which one is indebted for a service or favor
	an obligation to pay money to another party

indebted (adjective)	indebtedness (adjective)
owing gratitude or recognition to another for help or favors etc
under a legal obligation to someone