1. Catholic song in company at the youth centre, deer: ?A???C?? - could be CANTICLE but can't work out how it fits all the clue. 2. We came back to see the monarch suffering from itching: ?W???G 3. Blindworm could be seen using a fabrication: ?N???S
The 4th letter of 2 = 4th letter of 1 and the 4th letter of 3 = last letter of 1.