wall A1

/wɔl/ A solid upright structure that forms a side of a room or building, or divides one space from another. M S

wealth A2

/wɛlθ/ A large amount of money and valuable possessions. M S

wilderness B2

/ˈwɪldɚnəs/ A wild, natural area where few or no people live. M S

convolute C2+

/ˈkɑnvəˌluːt/ to twist or coil together; to make intricate M S