journal vs leger

journal and leger both are nouns.

Word	Noun	Adjective	Verb	Adverb
journal	Yes	No	No	No
leger	Yes	No	No	No

As nouns, leger is a hypernym of journal; that is, leger is a word with a broader meaning than journal:

Other hypernyms of journal include account book, book, book of account, ledger.

journal (noun)	leger (noun)
the part of the axle contained by a bearing	a record in which commercial accounts are recorded
a record book as a physical object
a periodical dedicated to a particular subject
a daily written record of (usually personal) experiences and observations
a ledger in which transactions have been recorded as they occurred