a Prefix?_
That part of a derivative word placed before the root.

53. _What is a Postfix?_
That part of a derivative word placed after the root.

54. _What is a Suffix?_
Same as a postfix.

55. _What are Affixes?_
Prefixes and postfixes together are called affixes.

56. _How many kinds of Derivatives are there?_
Two.

57. _What are they?_
Regular and irregular.

58. _What is a Regular derivative?_
One that is formed by the addition of affixes without changing the
letters in the primitive part (except final _e_ silent).

59. _What is an Irregular derivative?_
One in which the letters of the primitive part are changed.

60. _In using Affixes, what rule should be observed?_
The affix and root should be from the same language.

61. _Is the same rule to be observed in forming Compound words?_
It is.

62. _What is a Mongrel compound word?_
One formed contrary to the rule.

63. _Give an example._
Cable-graph and cable-gram.

64. _What are Barbarisms?_
Same as mongrel.

65. _When use the hyphen in Compound words?_
When they are not permanently compounded.

66. _What is an Obsolete word?_
One gone out of date.

RULES AND TERMS.

1. _What is Spelling?_
A distinct expression of the letters or sounds of a word in their
proper order.

2. _How many kinds of Spelling?_
Two.

3. _What are they?_
Orthographic and Phonic.

4. _What is Orthographic spelling?_
An expression of the letters of a written or printed word in their
proper order.

5. _What is Phonic spelling?_
An expression of the elementary sounds of a word in their proper
order, according to established usage.

6. _What is meant by good usage?_
The usage, or custom, of the best speakers and writers of the times.

7. _How do we know when we have spelled a word correctly?_
By reference to the Dictionary?

8. _What is a Lexicographer?_
An author of a dictionary.

9. _Can we spell by Rules?_
We cannot.

10. _Why?_
Because there are too many exceptions.

11. _What makes a rule in Orthography?_
Whenever a letter is silent, or usually so, a rule is formed.

12. _Why is c placed before r in acre, massacre, etc.?_
To preserve the hard sound of c.

13. _What is the rule for Digraphs?_
A digraph must have one vowel silent.

14. _Give rule for E final._
E final is silent when