Correct

同庚

/ tóng gēng / 
Strokes

Example

As a Verb

be of the same age

1
Zánliǎ
咱俩
tónggēng
同庚
  
,
zhǐshì
只是
wǒ
我
xiǎo
小
nǐ
你
liǎng
两
gè
个
yuè
月
  
。

We are of the same age. And I'm only two months younger than you are.