mingle-mangle vs omnium-gatherum

mingle-mangle and omnium-gatherum both are nouns.

Word	Noun	Adjective	Verb	Adverb
mingle-mangle	Yes	No	No	No
omnium-gatherum	Yes	No	No	No

As nouns, mingle-mangle and omnium-gatherum are synonyms defined as:

Other synonyms of mingle-mangle include farrago, gallimaufry, hodgepodge, hotchpotch, melange, mishmash, oddments, odds and ends, ragbag.

mingle-mangle (noun)	omnium-gatherum (noun)
a motley assortment of things	a motley assortment of things