Question

Which prefix, when added to the root -cept-, creates a word meaning “to take or leave out”? oc- ex- op- ir-

Answer 1

Oc + cept = occept 
not a word

op + cept = opcept
not a word

ir + cept = ircept
not a word

ex + cept = except
word; meaning "to not include"

Answer 2

Ex- it turns it into except which is excluding something