Yes, renunciations is a Scrabble word!

Noun

1. Rejecting or disowning or disclaiming as invalid
2. The state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes)
3. An act (spoken or written) declaring that something is surrendered or disowned
4. The act of renouncing; sacrificing or giving up or surrendering (a possession or right or title or privilege etc.)