Mick vs Mickey

Mick and Mickey both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mick	Yes	No	No	No
Mickey	Yes	No	No	No

As nouns, Mick and Mickey are synonyms defined as:

Mick and Mickey: (ethnic slur) offensive term for a person of Irish descent

Other synonyms of Mick include Paddy.

Mick (noun)	Mickey (noun)
(ethnic slur) offensive term for a person of Irish descent	(ethnic slur) offensive term for a person of Irish descent