horse chestnut balm vs unguent

horse chestnut balm and unguent both are nouns.

Word	Noun	Adjective	Verb	Adverb
horse chestnut balm	Yes	No	No	No
unguent	Yes	No	No	No

As nouns, unguent is a hypernym of horse chestnut balm; that is, unguent is a word with a broader meaning than horse chestnut balm:

horse chestnut balm: an ointment containing horse chestnut extract, used to relieve muscle pain and joint pain.
unguent: semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation

Other hypernyms of horse chestnut balm include balm, ointment, salve, unction.

horse chestnut balm (noun)	unguent (noun)
an ointment containing horse chestnut extract, used to relieve muscle pain and joint pain.	semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation