groin / groyne [grɔɪn]
groin – n. & v. – n. – 1. the genital region between the abdomen and upper thigh; 2. a pig snout; 3. a grumbler; 4. archit. – the intersection of two vaults; v. – 1. of animals, grunt, growl; 2. people, murmur, complain; 3. Architecture – to form ridges with adjoining vaults or arches
groyne – n. & v. – n. – 1. a low, timber or mason framework reaching out into the water to reduce erosion; v. – build such frameworks or breakwaters