hair gel vs toilet articles

hair gel and toilet articles both are nouns.

Word	Noun	Adjective	Verb	Adverb
hair gel	Yes	No	No	No
toilet articles	Yes	No	No	No

As nouns, toilet articles is a hypernym of hair gel; that is, toilet articles is a word with a broader meaning than hair gel:

hair gel: jellylike substance used in hair styling
toilet articles: artifacts used in making your toilet (washing and taking care of your body)

Other hypernyms of hair gel include toiletry.

hair gel (noun)	toilet articles (noun)
jellylike substance used in hair styling	artifacts used in making your toilet (washing and taking care of your body)