| 1 | 亘 | 亙 | gèn | gen4 | extending all the way across; running all the way through | | |
| 2 | 亘古 | 亙古 | gèn gǔ | gen4 gu3 | throughout time; from ancient times (up to the present) | | |
| 3 | 亘古不变 | 亙古不變 | gèn gǔ bù biàn | gen4 gu3 bu4 bian4 | unchanging since times immemorial (idiom); unalterable; unvarying; monotonous | | |
| 4 | 亘古通今 | 亙古通今 | gèn gǔ tōng jīn | gen4 gu3 tong1 jin1 | from ancient times up to now; throughout history | | |
| 5 | 亘古未有 | 亙古未有 | gèn gǔ wèi yǒu | gen4 gu3 wei4 you3 | unprecedented; never seen since ancient times | | |
| 6 | 弥天亘地 | 彌天亘地 | mí tiān gèn dì | mi2 tian1 gen4 di4 | to fill the heavens and cover the earth (idiom) | | |
| 7 | 绵亘 | 綿亙 | mián gèn | mian2 gen4 | to stretch in an unbroken chain (esp. of mountains) | | |
| 8 | 盘亘 | 盤亙 | pán gèn | pan2 gen4 | linked in a unbroken chain | | |