-off

Involving the particle off; most of the derived terms were probably modeled on playoff, a deverbal, as the archetype.

-off

1. (suffixed to a bare infinitive) A competition [of the activity denoted by the verb], especially a final, tiebreaker, or repechage within a broader tournament.
   • 2020 August 29, Rebecca Nicholson, “Tom Cruise: another groundbreaking role for cinema's cheerleader”, in The Guardian‎:

     We must imagine this as a set of instructions: go forth and buy tickets, so we can keep making our bonkers explosion-offs for you in the future. When asked if he had enjoyed the film, he said: “I loved it” – twice. He wore a mask.

• -out

See -ov.

-off

1. Alternative spelling of -ov

• FFO