We don't have synonyms for cretics yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are cretic, cretins and critics.
(adj) :
Using or relating to a metrical pattern of poetry where each foot is composed of three syllables, the first and third of which are stressed and the second is unstressed. This pattern is very rare in English poetry.
(adj) :
Using or relating to a metrical pattern of poetry where each foot is composed of three syllables, the first and third of which are stressed and the second is unstressed. This pattern is very rare in English poetry.