Syrticus
Could not find Syrtica in Logeion dictionaries.
Syrtica Proper-name adjective: neuter nominative plural, Proper-name adjective: neuter vocative plural, Proper-name adjective: feminine nominative singular, Proper-name adjective: feminine ablative singular, Proper-name adjective: feminine vocative singular, Proper-name adjective: neuter accusative plural of Syrticus
Syrticus, a, um, s. Syrtis.