Words for movie/book/etc series with more than four items? [duplicate]

word-choice single-word-requests

How about just continuing the series?

Trilogy, tetralogy, pentalogy, hexalogy, heptalogy, octalogy, etc.

Related

What do you call a ticket/pass for several sightseeing attractions?
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Term for addictive song, replayed too many times it is hated or neutral now
Not panicking and not overjoyous
How does the unaspirated /t/ differ from /d/?
Is there a similar expression to "level the score" in American English?
Is "learning", used as a noun, Denglish?
Word for a short sentence packed with information
Is this question correctly constructed?