peace – piece (мир/покой – кусок): peace and quiet; a piece of bread
right – rite – write (правильный/правый/право – обряд – писать): that's right; my right hand; civil rights; funeral rites; write a letter
sail – sale (парус/плыть – распродажа): to sail on a ship; I bought it on sale
sea – see (море – видеть): have you ever seen the sea at sunrise?
sew – so – sow (шить – так – сеять): to sew a dress; be so kind; to sow the seeds
some – sum (некоторый – сумма): I need some money; a large sum of money