Politicians often use exaggeration to make their points more dramatic.

exaggeration 是动词 exaggerate 的名词形式，由前缀 ex-（表示"向外"）和词根 agger（意为"堆积"）加上名词后缀 -ation 构成。字面意思是"向外堆积"，引申为"夸大、夸张"的意思。