odds and ends vs salmagundi

odds and ends and salmagundi both are nouns.

Word	Noun	Adjective	Verb	Adverb
odds and ends	Yes	No	No	No
salmagundi	Yes	No	No	No

As nouns, salmagundi is a hypernym of odds and ends; that is, salmagundi is a word with a broader meaning than odds and ends:

Other hypernyms of odds and ends include assortment, miscellanea, miscellany, mixed bag, mixture, motley, potpourri, smorgasbord, variety.

odds and ends (noun)	salmagundi (noun)
a motley assortment of things	cooked meats and eggs and vegetables usually arranged in rows around the plate and dressed with a salad dressing
	a collection containing a variety of sorts of things