hairweaving vs hairdressing

hairweaving and hairdressing both are nouns.

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

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

hairweaving: the act of interweaving a hairpiece with your own hair
hairdressing: care for the hair: the activity of washing or cutting or curling or arranging the hair

Other hypernyms of hairweaving include hair care, haircare.

hairweaving (noun)	hairdressing (noun)
the act of interweaving a hairpiece with your own hair	care for the hair: the activity of washing or cutting or curling or arranging the hair
	a toiletry for the hair