These nouns all mean "clothes, clothing".
Clothing is a common word, which refers to a specific piece of clothing, such as coat, underwear or trousers.
The common word of clothing, collective noun, is the general name of clothing.
Coats refer to overcoats, overcoats, overcoats and women's overcoats.
Dress refers to clothes worn on formal occasions or for a certain purpose, and also refers to children's clothes or women's clothes.
Garment has a solemn tone and is a formal word. The plural form can be used interchangeably with clothes, which means that you are all dressed. The singular refers to a single piece of clothing, especially a robe, coat, etc.
Rob refers to robes, bathrobes and dressing gowns.
Long gown refers to the long clothes worn by women, especially the dresses or women's pajamas of teachers, judges and professors, and also refers to robes.
Uniforms refer to uniforms made by a group or organization, such as military uniforms and school uniforms.
Clothing refers to the clothing that is popular in a certain region or a certain era, and also refers to the clothing of actors.
A suit refers to a suit, usually several pieces make up a suit.