We don't have synonyms for afrika yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are africa, afrik and arika.
(n) :
(African-American Vernacular, uncommon) Alternative spelling of Africa: the continent south of Europe and between the Atlantic and Indian Oceans [The continent that is south of Europe, east of the Atlantic Ocean, west of the Indian Ocean and north of Antarctica.]
(n) :
(African-American Vernacular, uncommon) Alternative spelling of Africa: the continent south of Europe and between the Atlantic and Indian Oceans [The continent that is south of Europe, east of the Atlantic Ocean, west of the Indian Ocean and north of Antarctica.]