Verses with the word appetite in the Old Testament (4 verses):

Job 38:39
Wilt thou hunt the prey for the lion? or fill the appetite of the young lions,

Proverbs 23:2
And put a knife to thy throat, if thou be a man given to appetite.

Ecclesiastes 6:7
All the labour of man is for his mouth, and yet the appetite is not filled.

Isaiah 29:8
It shall even be as when an hungry man dreameth, and, behold, he eateth; but he awaketh, and his soul is empty: or as when a thirsty man dreameth, and, behold, he drinketh; but he awaketh, and, behold, he is faint, and his soul hath appetite: so shall the multitude of all the nations be, that fight against mount Zion.