gon / gone [gɒn]
gon – n. – usually in combination forms following nouns denoting figures with a specified number of angles, i.e. 10-gon
gone – adj. from go – 1. lost, hopeless, dead; 2. used up, concerned; 3. informal pregnant for a specified time; 4. completely enthralled or entranced; 5. of a specified time; 6. moved away, left