deadbeat vs debitor

deadbeat and debitor both are nouns.

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

As nouns, debitor is a hypernym of deadbeat; that is, debitor is a word with a broader meaning than deadbeat:

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

Other hypernyms of deadbeat include debtor.

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