naval / navel [ˈneɪvəl]
naval – adj. – relating to the military force that pertains to ships and the sea
navel – adj., n. & v. – adj. – History referring to timber in a wooden ship linking the floor timbers to the futtock; n. – 1. the scar from the umbilical cord; 2. the center or middle of something; 3. the junction of a leaf with a stem; v. – situate or come to the center