hugger-mugger vs disorderly

hugger-mugger is a noun but disorderly is not a noun.

Word	Noun	Adjective	Verb	Adverb
hugger-mugger	Yes	Yes	No	Yes
disorderly	No	Yes	No	No

As adjectives, hugger-mugger and disorderly are synonyms defined as:

Other synonyms of hugger-mugger include higgledy-piggledy, jumbled, topsy-turvy.

hugger-mugger (noun)	disorderly (noun)
a state of confusion

hugger-mugger (adjective)	disorderly (adjective)
conducted with or marked by hidden aims or methods	undisciplined and unruly
in utter disorder	in utter disorder
	completely unordered and unpredictable and confusing

hugger-mugger (adverb)	disorderly (adverb)
in secrecy