mentholated salve vs unguent

mentholated salve and unguent both are nouns.

Word	Noun	Adjective	Verb	Adverb
mentholated salve	Yes	No	No	No
unguent	Yes	No	No	No

As nouns, unguent is a hypernym of mentholated salve; that is, unguent is a word with a broader meaning than mentholated salve:

mentholated salve: a salve containing menthol
unguent: semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation

Other hypernyms of mentholated salve include balm, ointment, salve, unction.

mentholated salve (noun)	unguent (noun)
a salve containing menthol	semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation