axle vs journal

axle and journal both are nouns.

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

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

Other hyponyms of axle include dead axle, driving axle, live axle, trailing axle, blind axle.

axle (noun)	journal (noun)
a shaft on which a wheel rotates	the part of the axle contained by a bearing
	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