naval > ney.vuhl: adjective;  Origin - 1585/95 > Middle English, from Old French, from Latin navalis, from navis, ship; see nau- in Indo-European roots; Definition - seagoing, belong to one country's navy or relating to military ships; Synonyms - aquatic, marine, maritime, nautical, oceangoing, seafaring; Notes - naval means connected with or belonging to or used in a navy, ship, or shipping, while a navel is the mark on the surface of the abdomen that indicates where the umbilical cord was attached.

keel-hauler > keel.hawl.er or keel-haler > keel.heyl.er: noun; Origin - Dutch 1660/70 < kielhalen; Definition - [nautical term] a person who  hauls, drags or rakes an offender [usually] under the bottom of a ship and up on the other side as a punishment; Also called keel⋅dragger or keel⋅raker.