1. Added to the end of a word.
Suffixes
Added to the end of a word.

2. Part I

3. -less
Without
careless

4. -ly
How something is
slowly

5. -able, -ible
Is; can be
-washable, invisible

6. a person, one who does an action
-ist
a person, one who does an action
Biologist

7. -ness
State of; condition of
happiness

8. -or
One who; person connected with
actor

9. -er More (smaller) action or process (manufacturer)
a person who does an action (painter)
Comparative (bigger)

10. -y
Characterized by
Cheesy

11. -est
The most
Superlative
largest

12. -ful
Full of
beautiful

13. -ment
State of being; act of
excitement

14. Part II

15. -ed
Past tense verbs; adjectives
rolled

16. -al, -ial
Having characteristics of
final

17. -en
Made of
stolen

18. -ic
Having characteristics of
tragic

19. - ing
Verb forms;
Present participles
rolling

20. -ion, -tion, -ation, -ition
Act; process
addition

21. -ity, -ty
State of
civility

22. -ive, -ative, -itive
Adjective form of noun
detective

23. -ous, -eous, ious
Having qualities of
envious

24. -s, -es
More than one
Boys, classes

25. -ulous
Tending to
fabulous

26. -anean
Related to
Extemporanean