和 hé and 跟 gēn are only used between nouns.
Structure
Noun + 和 hé + noun + ....
Noun + 跟 gēn + noun + ....
| 我 | 和 | 你 | 都 | 很 | 高 | 。 |
| wǒ | hé | nǐ | dōu | hěn | gāo | _ |
| I | harmony | you | all | very | high | _ |
| I, me, my | harmony, and, with | you | all, both, already, even | very, quite | high, surname | 。 |
| You and me are both very tall. | ||||||
| 我 | 跟 | 你 | 都 | 很 | 高 | 。 |
| wǒ | gēn | nǐ | dōu | hěn | gāo | _ |
| I | heel | you | all | very | high | _ |
| I, me, my | follow, and, with, from | you | all, both, already, even | very, quite | high, surname | 。 |
| You and me are both very tall. | ||||||