Correct

共居

/ gòng jū / 
Strokes

Example

As a Verb

(esp of abstract things) coexist

1
Máodùn
矛盾
de
的
liǎng
两
gè
个
fāngmiàn
方面
gòng
共
jū
居
yú
于
yī
一
gè
个
tǒng
统
yītǐ
一体
zhōng
中
  
。

The two sides of a contradiction coexist in a uniform entity.

As a Verb

live together; live under the same roof

2
Gòng
共
jū
居
yī
一
shì
室

share a room/house; live under the same roof