-ity: creativity (đánh âm 2), activity (đánh âm 1), festivity (đánh âm 1), ability (đánh âm 2), equality (đánh âm 2), humanity (đánh âm 1)
-itive: active (đánh âm 1), addictive (đánh âm 2), adhesive (đánh âm 2), attractive (đánh âm 2), distinctive (đánh âm 2), adjective (đánh âm 1)