Schism adjectives are listed in this post. Each word below can often be found in front of the noun schism in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing SCHISM.
actual, complete, dangerous, donatist
ecclesiastical, fatal, first, great
greek, internal, long, major
meletian, new, novatian, open
papal, permanent, political, religious
serious, unhappy, western
Hope this word list had the adjective used with schism you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.