How do you say “nut” in Vietnamese?

bean; nut

for “nut” meaning: Any of various hard-shelled seeds or hard, dry fruits from various families of plants.

• Lạc không phải hạt mà thuộc họ đậu.Peanuts are not nuts but legumes.

nut; an animal; especially a mollusk

for “nut” meaning: On stringed instruments such as guitars and violins, the small piece at the peghead end of the fingerboard that holds the strings at the proper spacing and, in most cases, the proper height.