French word for male pig

There is no 3-letter French Word for a female pig. The female pig is "la truie", sometimes called "une coche" (term used mainly among pig breeders); "une laie" is a female boar.

The English term "sow", meaning female pig, comes from a Latin Word for pig, through old French and Burgundian dialect. The French related Word is "soue", a rarely used term meaning a pigsty.