In nautical|lang=en terms the difference between galleot and galleon
is that galleot is (nautical) while galleon is (nautical) a large, three masted, square rigged sailing ship with at least two decks.
As nouns the difference between galleot and galleon
is that galleot is (nautical) while galleon is (nautical) a large, three masted, square rigged sailing ship with at least two decks.