The term "sea pirate" can be replaced with a variety of other synonyms depending on the context and tone of the writing. Instead of sea pirate, one can use the word "pirate" or "corsair" to denote a seafaring thief who preys on ships and seafarers for profit. The term "privateer" refers to a pirate who has been commissioned by a government to attack enemy ships during war. "Buccaneer", often associated with Caribbean piracy, can also be considered as a synonym for sea pirate. Other synonyms for the term include "raider", "sea robber", and "freebooter". Each of these words conveys a slightly different nuance and shade of meaning, making it essential to choose the right synonym for the context in which it is being used.