Recommended by Secret Agent Man
"GOOD" and "WELL"
"Good" is an adjective. "Well" is an adverb. Ex.: The food tastes good. She speaks English well.
"CANVAS" and "CANVASS"
"Canvas" is a type of strong, heavy cloth. "Canvass" means to seek support or opinions, usually by going door to door. Ex.: The artist painted on a canvas. The politician will canvass the neighborhood for votes.