* Clothing: This is the most general term, and is spelled c-l-o-t-h-i-n-g.
* Garment: This is another general term, and is spelled g-a-r-m-e-n-t.
* Apparel: This term is often used for clothing that is stylish or fashionable, and is spelled a-p-p-a-r-e-l.
* Attire: This term is often used for clothing that is formal or ceremonial, and is spelled a-t-t-i-r-e.
There are also more specific words for different types of body coverings, like robe, dress, suit, coat, and shirt.
The best way to choose the right word is to consider the context in which you're using it.