№1.
1) beautiful
2) horrible
3) plentiful
4) sencible
5) exactly
6) inflection
7) pollution
8) incorrectly
№2.
really - ly, visible - ible, wonderful - ful, collection - ion, lonely - ly, competition - ion, incredible - ible, circulation - ion, delightful - ful, edible - ible, accidentally - ly, successful - ful, substraction - ion, closely - ly, vision - ion, terrible - ible.
№3.
1. likeness
2. judgment
3. erosion
4. typist
5. harmless
6. colorful
7. question
8. favorable
9. horrible
10. famous
11. attractive
12. tailor
№4.
What is a suffix?