pomatum vs hairdressing

pomatum and hairdressing both are nouns.

Word	Noun	Adjective	Verb	Adverb
pomatum	Yes	No	No	No
hairdressing	Yes	No	No	No

As nouns, hairdressing is a hypernym of pomatum; that is, hairdressing is a word with a broader meaning than pomatum:

Other hypernyms of pomatum include hair grease, hair oil, hair tonic.

pomatum (noun)	hairdressing (noun)
hairdressing consisting of a perfumed oil or ointment	care for the hair: the activity of washing or cutting or curling or arranging the hair
	a toiletry for the hair