creature comforts vs livelihood

creature comforts and livelihood both are nouns.

Word	Noun	Adjective	Verb	Adverb
creature comforts	Yes	No	No	No
livelihood	Yes	No	No	No

As nouns, livelihood is a hypernym of creature comforts; that is, livelihood is a word with a broader meaning than creature comforts:

Other hypernyms of creature comforts include bread and butter, keep, living, support, sustenance.

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