Collective Nouns

2. an organized group of singers, typically one that takes part in church services or performs regularly in public.
4. a small group of musicians who play popular music such as jazz, rock, or pop.
5. a large number of people gathered together in a disorganized or unruly way.
7. a large and disorderly crowd of people.
9. a number of people or things that are located close together or are considered or classed together.
10. a large or dense group of insects, especially flying ones.
12. large ruminant animals with horns and cloven hoofs, domesticated for meat or milk, or as beasts of burden; cows.
14. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
15. a number of birds of one kind feeding, resting, or traveling together
17. a group of wolves hunting together.
18. an institution for educating children.

1. A group of crows
3. a large group of animals, especially hoofed mammals, that live, feed, or migrate together or are kept together as livestock.
5. the grounds of a school, hospital, or other institution.
6. a social division in a traditional society consisting of families or communities linked by social, economic, religious, or blood ties, with a common culture and dialect, typically having a recognized leader.
8. a group of players forming one side in a competitive game or sport.
11. a list of items to be discussed at a formal meeting.
13. all the people employed by a particular organization.
16. a group of students meeting regularly to study the same subject.
19. a group of objects or an amount of material accumulated in one location, especially for some purpose or as a result of some process