We don't have synonyms for colocynthis yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are colocynthin, colocynths and colocynth.
(n) :
Obsolete form of colocynth. [A viny plant, of species Citrullus colocynthis, native to the Mediterranean Basin and Asia. It produces a lemon-sized, yellowish, green-mottled, spongy, and extremely bitter fruit.]
(n) :
Obsolete form of colocynth. [A viny plant, of species Citrullus colocynthis, native to the Mediterranean Basin and Asia. It produces a lemon-sized, yellowish, green-mottled, spongy, and extremely bitter fruit.]