comforts vs bread and butter

comforts and bread and butter both are nouns.

Word	Noun	Adjective	Verb	Adverb
comforts	Yes	No	No	No
bread and butter	Yes	No	No	No

As nouns, bread and butter is a hypernym of comforts; that is, bread and butter is a word with a broader meaning than comforts:

Other hypernyms of comforts include keep, livelihood, living, support, sustenance.

comforts (noun)	bread and butter (noun)
things that make you comfortable and at ease	the financial means whereby one lives