To Nod
To Bow One's Head
intransitive verb, godan verb
うなずく, うなづく
屈む (かがむ) To Bend Down, To Crouch, To Duck, To Squat
肯く (うなずく、うなづく) To Nod, To Bow One's Head
辞儀する (じぎする) To Bow
会釈 (えしゃく) Nod, Greeting, Bow
促す (うながす) To Urge, To Pressure
鰻 (うなぎ、not on WK) Eel, Japanese Eel
He likes To Nod at every eel うな(ぎ) he sees at the zoo ず