smock vs dust coat

smock and dust coat both are nouns.

Word	Noun	Adjective	Verb	Adverb
smock	Yes	No	Yes	No
dust coat	Yes	No	No	No

As nouns, smock and dust coat are synonyms defined as:

smock and dust coat: a loose coverall (coat or frock) reaching down to the ankles

Other synonyms of smock include duster, gabardine, gaberdine.

smock (noun)	dust coat (noun)
a loose coverall (coat or frock) reaching down to the ankles	a loose coverall (coat or frock) reaching down to the ankles

smock (verb)	dust coat (verb)
embellish by sewing in straight lines crossing each other diagonally