We don't have synonyms for arabick yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are arabic, arabica and arabici.
(adj) :
Obsolete spelling of Arabic. [Related to the Arabic language.]
(n) :
Obsolete spelling of Arabic. [A major Semitic language originating from the Arabian peninsula, and now spoken natively (in various spoken dialects, all sharing a single highly conservative standardized literary form) throughout large sections of the Middle East and North Africa.]
(adj) :
Obsolete spelling of Arabic. [Related to the Arabic language.]
(n) :
Obsolete spelling of Arabic. [A major Semitic language originating from the Arabian peninsula, and now spoken natively (in various spoken dialects, all sharing a single highly conservative standardized literary form) throughout large sections of the Middle East and North Africa.]