The document discusses various suffixes used in the English language and their functions. It notes that suffixes like -ness form nouns out of adjectives, -able and -ible form nouns out of verbs, -ly forms adverbs out of adjectives, -ize/-ise form verbs out of nouns or adjectives, and -ion forms nouns out of verbs. Other suffixes covered are -ful, -al, -ity, -ment, and -ous which form different parts of speech like adjectives or nouns.

2.  Ridiculous
 Weak
 happi
-ness
 Forms a noun out of an adjective

3.  The idea behind this is ability, possibility
 Count
 Like
 Treat
 change
-able
 Response*
 Forms noun out of a verb

4.  Attent
 Decorate
 Talk
 express
-ive
 Forms an adjective out of an verb

5.  rapid
 Quick
 Spiritual
 free
-ly
 Forms an adverb out of an adjective

6.  Modern
 Memory
 Minimum
 legal
-ize
-ise
 Forms a verb out of an adjective or a noun

7.  Create
 Motivate
 state
-ion
 Forms nouns out of verbs

8.  Ridiculous
 Weak
-ness
 Forms noun out of an adjective

9.  Beauty
 Hand
 Room
-ful
 Book
 great
 Forms an adjective out of a noun

10.  Option
 Fiction
 Transition
-al
 Forms an adjective out of a noun

11.  Response
 Indemn
 Nice
 modern
-ity
 Forms a noun out of an adjective

12.  Enjoy
 Enchant
 treat
-ment
 Forms noun out of a verb

13.  Face
 Deli-
 Space
-ous
 Forms noun out of an adjective

14.  Tire
 Bore
 Interest
 amuse
-ed
 Forms an adjective out of a verb

15.  Please
-ant
 Forms a noun out of a verb