civilian garb vs mufti

civilian garb and mufti both are nouns.

Word	Noun	Adjective	Verb	Adverb
civilian garb	Yes	No	No	No
mufti	Yes	No	No	No

As nouns, mufti is a hyponym of civilian garb; that is, mufti is a word with a more specific, narrower meaning than civilian garb:

civilian garb: ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.
mufti: civilian dress worn by a person who is entitled to wear a military uniform

Other hyponyms of civilian garb include civies, civvies.

civilian garb (noun)	mufti (noun)
ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.	civilian dress worn by a person who is entitled to wear a military uniform
	a jurist who interprets Muslim religious law