The prefix "re-" could be used with the word "active" to create the word "reactive."
The prefix "in" could be used with the word "vincible" to make it "invincible."
The prefix "inter-" could be used with "cept" to form the word "intercept."
The prefix "in-" could be used to form the word "unbroken," making it "incomplete."
The prefix "non-" could be used with the word "classic" to create "non-classic," describing something that is not classic or traditional.
Re-
The prefix "in" could be used with the word "vincible" to make it "invincible."
The prefix "inter-" could be used with "cept" to form the word "intercept."
The prefix "in-" could be used to form the word "unbroken," making it "incomplete."
The prefix "non-" could be used with the word "classic" to create "non-classic," describing something that is not classic or traditional.
Re-
The prefix "in" could be used to make the opposite word insufficient.
Retro
counter-
inter-
semi-
The prefix of the word ordinate is or. This prefix essentially means that it is one who does something or associates with what the word is talking about.
The prefix that goes with active is "re-" for the word "reactive," meaning responding to a stimulus or situation.