to help in Japanese:

1. てつだう

Japanese word "to help"(てつだう) occurs in sets:

🍙日本語 う-verbs

2. tetsudau

Japanese word "to help"(tetsudau) occurs in sets:

Genki I (rozdz. 6) - słówka

3. 助ける

Japanese word "to help"(助ける) occurs in sets:

アクティビティ - Activities