carron oil vs unction

carron oil and unction both are nouns.

Word	Noun	Adjective	Verb	Adverb
carron oil	Yes	No	No	No
unction	Yes	No	No	No

As nouns, unction is a hypernym of carron oil; that is, unction is a word with a broader meaning than carron oil:

carron oil: an ointment formerly used to treat burns
unction: semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation

Other hypernyms of carron oil include balm, ointment, salve, unguent.

carron oil (noun)	unction (noun)
an ointment formerly used to treat burns	anointing as part of a religious ceremony or healing ritual
	semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation
	smug self-serving earnestness
	excessive but superficial compliments given with affected charm