Surprisingly your wear it - so - underwear. Whereas, ware is a commodity, so underware would be a product possibly sold "under the counter".
Most people put them in the clothes hamper.
ford has sold most pickups
Chevy Silverado
kraft dinner
Ford Taurus
KISS
UNDERWARE!!!!!!!
Underware
They are sold in most countries mostly in america.
The most acurate Bible which is the most sold Bible in English language is King James Bible.
over there