Bible Greek and Hebrew Dictionaries combined for Word Studies
Genesis Chapter 1
boat 4142 # ploiarion {ploy-ar'-ee-on}; neuter of a presumed derivative of 4143; a boat: -- {boat}, little (small) ship.
boat 4627 # skaphe {skaf'-ay}; a "skiff" (as if dug out), or yawl (carried aboard a large vessel for landing): -- {boat}.
ship 3491 # naus {nowce}; from nao or neo (to float); a boat (of any size): -- {ship}.