We don't have synonyms for maritza yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are maritsa and marita.
(n) :
Obsolete spelling of Maritsa (the river). [A river in southeastern Europe that flows through Bulgaria and down the border between Greece and Turkey before emptying into the Aegean Sea.]
(n) :
Obsolete spelling of Maritsa (the river). [A river in southeastern Europe that flows through Bulgaria and down the border between Greece and Turkey before emptying into the Aegean Sea.]