civilian garb vs civilian clothing

civilian garb and civilian clothing both are nouns.

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

As nouns, civilian garb and civilian clothing are synonyms defined as:

civilian garb and civilian clothing: ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.

Other synonyms of civilian garb include civilian dress, plain clothes.

civilian garb (noun)	civilian clothing (noun)
ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.	ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.