1. table-tables
2. chair-chairs
3. blackboard-blackboards
4. classroom-classrooms
5. book-books
6. pencil-pencils
7. notebook-notebooks
8. copybook-copybooks
9. TV-TVs
10. desk-desks
11. shelf-shelfs
12. bag-bags
13. teachers room-teachers rooms
14. pencil case-pencil cases
15. scissors-scissors

Irregular nouns

• woman–women
• man–men
• child-children
• person-people
• tooth-teeth
• foot–feet
• goose–geese
• mouse–mice
• louse–lice(ոջիլ)
• deer–deer(եղնիկ-եղնիկներ)
• sheep–sheep
• fish–fish