ledger entry vs debit

ledger entry and debit both are nouns.

Word	Noun	Adjective	Verb	Adverb
ledger entry	Yes	No	No	No
debit	Yes	No	Yes	No

As nouns, debit is a hyponym of ledger entry; that is, debit is a word with a more specific, narrower meaning than ledger entry:

Other hyponyms of ledger entry include adjusting entry, credit, credit entry, debit entry.

ledger entry (noun)	debit (noun)
a written record of a commercial transaction	an accounting entry acknowledging sums that are owing

ledger entry (verb)	debit (verb)
	enter as debit