Correct

飞散

/ fēi sàn / 
Strokes

Example

As a Verb

(of smoke, fog, etc) waft/drift away; disperse

1
Yī
一
tuán
团
nóngyān
浓烟
zài
在
kōngzhōng
空中
fēisàn
飞散
  
。

A cloud of heavy smoke wafted away in the air.

As a Verb

(of birds) fly away in all directions; scatter; disperse

2
Niǎor  
鸟儿
tīngdào
听到
qiāngshēng
枪声
sìchù
四处
fēi
飞
sàn
散
le
了
  
。

The birds scattered at the sound of the gun.