uniform vs clothing

uniform and clothing both are nouns.

Word	Noun	Adjective	Verb	Adverb
uniform	Yes	Yes	Yes	No
clothing	Yes	No	No	No

As nouns, clothing is a hypernym of uniform; that is, clothing is a word with a broader meaning than uniform:

uniform: clothing of distinctive design worn by members of a particular group as a means of identification
clothing: a covering designed to be worn on a person's body

Other hypernyms of uniform include article of clothing, habiliment, vesture, wear, wearable.

uniform (noun)	clothing (noun)
clothing of distinctive design worn by members of a particular group as a means of identification	a covering designed to be worn on a person's body

uniform (adjective)	clothing (adjective)
always the same; showing a single form or character in all occurrences
not differentiated
the same throughout in structure or composition
evenly spaced

uniform (verb)	clothing (verb)
provide with uniforms