knubs / nubs [nʌbz]
knubs – n. & v. – n. pl. of knub – knob; 1. small lumps; 2. swellings, boils; 3. the inner most layers from silk cocoons; v. 3rd pres. sing. of knub – 1. nibbles, bites gently; 2. strikes with a knuckle
nubs – n. & v. – n. pl. of nub – 1. small lumps or protuberances; 2. a small piece or chunk; v. 3rd pres. sing. of nub – 1. nudges, jogs, strikes; 2. executes by hanging