mishegoss vs mishegaas

mishegoss and mishegaas both are nouns.

Word	Noun	Adjective	Verb	Adverb
mishegoss	Yes	No	No	No
mishegaas	Yes	No	No	No

As nouns, mishegoss and mishegaas are synonyms defined as:

mishegoss and mishegaas: (Yiddish) craziness; senseless behavior or activity

Other synonyms of mishegoss include meshugaas.

mishegoss (noun)	mishegaas (noun)
(Yiddish) craziness; senseless behavior or activity	(Yiddish) craziness; senseless behavior or activity