Bony = of or like a bone.

• Renz likes the antics shown by his grandfather with his bony fingers.
• He was all skin and bone after his illness.(ie = emaciated , abnormally thin or weak, especially because of illness or lack of food)
• she had a bony intelligent face.
• He poked a bony finger in David’s chest.
• a delicious but extremely bony fish.

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Bonny = attractive and beautiful.

• You will find the bonny lass , Glory, sitting there reading some book.
• A bonny child dressed in traditional Nagaland style.
• This inn offers bonny accommodation and bountiful breakfast.
• A bonny little baby girl.