nibble / nybble [ˈnɪb(ǝ)l]
nibble – n. & v. – n. – 1. the action of taking small bites or gradually wearing something away; 2. a small mouthful, a morsel, a snack; v. – 1. eating by taking a series of very small bites; 2. eat frequent small meals, graze; 3. show tentative interest in a proposal; 4. remove small portions from an edge; 5. fidget
nybble – n. Computing – four bits, half a byte, a hexadecimal digit