oil of cloves vs essential oil

oil of cloves and essential oil both are nouns.

Word	Noun	Adjective	Verb	Adverb
oil of cloves	Yes	No	No	No
essential oil	Yes	No	No	No

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

oil of cloves: essential oil obtained from cloves and used to flavor medicines
essential oil: an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings

Other hypernyms of oil of cloves include volatile oil.

oil of cloves (noun)	essential oil (noun)
essential oil obtained from cloves and used to flavor medicines	an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings