foggy vs muzzy

foggy and muzzy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
foggy	No	Yes	No	No
muzzy	No	Yes	No	No

As adjectives, foggy and muzzy are synonyms defined as:

Other synonyms of foggy include bleary, blurred, blurry, fuzzy, hazy.

foggy (adjective)	muzzy (adjective)
filled or abounding with fog or mist	confused and vague; used especially of thinking
indistinct or hazy in outline	indistinct or hazy in outline
stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
obscured by fog