| Answer | Crossword Clue |
|---|---|
| counterinstance | an instance adduced to counter another instance |
| counterplay | to make a threat or offensive position in eg chess intended to counter an opponent's advantage in another part of the board |
| counterplayer | COUNTERPLAY, to make a threat or offensive position in eg chess intended to counter an opponent's advantage in another part of the board |
| referral | an instance of being referred to another |
| referrals | REFERRAL, an instance of being referred to another |
| homeomorphism | An instance of topological equivalence to another space or figure |
| homeomorphisms | An instance of topological equivalence to another space or figure |
