debitor vs deadbeat

debitor and deadbeat both are nouns.

Word	Noun	Adjective	Verb	Adverb
debitor	Yes	No	No	No
deadbeat	Yes	No	No	No

As nouns, deadbeat is a hyponym of debitor; that is, deadbeat is a word with a more specific, narrower meaning than debitor:

debitor: a person who owes a creditor; someone who has the obligation of paying a debt
deadbeat: someone who fails to meet a financial obligation

Other hyponyms of debitor include defaulter, fly-by-night, mortgager, mortgagor.

debitor (noun)	deadbeat (noun)
a person who owes a creditor; someone who has the obligation of paying a debt	someone who fails to meet a financial obligation