What are collective nouns that start with s?

Below is a list of several collective nouns beginning with the letter S:

1. School (of fish)

2. Squadron (of airplanes)

3. Swarm (of bees)

4. Skein (of geese)

5. Series (of books)

6. Suit (of playing cards)

7. System (of equations)

8. Staff (of employees)

9. Shoal (of fish)

10. Syndicate (of criminals)

11. Stack (of hay)

12. Section (of land)

13. Species (of plants or animals)

14. Symphony (of musicians)

15. Stanza (of a poem)

16. Squad (of troops)

17. Syndicate (of banks)

18. Slew (of animals)

19. Sett (of rabbits)

20. Symphony (of orchestra)