sough / sow [saʊ]
sough – n. & v. – n. – a gentle rushing or murmuring sound; v. – 1. make a soft, moaning, whistling or rushing sound, such as a breeze through leaves
sow – n. – 1. an adult, female pig; 2. a large block or bar of metal used in smelting
Do Not Confuse With sow [so:] – v. scatter seed; 2. arouse or spread ideas