The other prefixes are de- with 18 errors or 3.68, dis- with 12.3 or 6 errors, and prefix mis- with 12 errors or it equals to 2.45. The table for this explanation
is shown as follow. Table 5
The Frequency of Error in Verb to Verb Derivation
Category Affixation
Test Number
Frequency of Error Percentage
Verb to Verb
Derivation mis-
37 12
2.45 de-
18 18
3.68 dis-
16 6
12.3 un-
27 7
1.43 pre-
31 20
4.09
Total 63
12.9 Noun to Noun Derivation. The table below showed the frequency of
errors in Noun to Noun Derivation. Based on the table, the most frequent errors happened to prefix un- with 21 times or it equals to 4.3. While, derivational
suffix -ship and prefix dis- are equal with 9 errors or 1.8. The other derivational suffixes are
–ism with 12 errors or it is equal to 2.5 and 1.6 of derivational suffix
–ity or it is equal to 8 errors. Table 6
The Frequency of Error in Noun to Noun Derivation
Category Affixation
Test Number
Frequency of Error Percentage
Noun to Noun
Derivation un-
8 21
4.3 dis-
15 9
1.8 -ship
13 9
1.8 -ism
28 12
2.5 -ity
21 8
1.6
Total 59
12.1 Adjective to adjective derivation. The fifth most frequent errors is
Adjective to Adjective Derivation. There are 14 errors or it is equal to 2.9 from prefix in-, 3.5 of error or it is the same as 17 errors from prefix dis-, 12 errors or
2.5 from prefix im-, 6 errors or 1.2 from prefix il-, and from prefix un- 4 times or 0.8. Then, the total of error is 53 errors or equal to 10.8 as written on the
table. Table 7
The Frequency of Error in Adjective to Adjective Derivation
Category Affixation
Test Number
Frequency of Error Percentage
Adjective to
Adjective Derivation
im- 9
12 2.5
un- 38
4 0.8
dis- 44
17 3.5
in- 41
14 2.9
il- 11
6 1.2
Total 53
10.8 Adjective to adverb derivation. The sixth most frequent error happened
to Adjective Adverb Derivation. Each number has almost the same frequencies. The total of error is 50 errors or it is equal to 10.2 only from one derivational
suffix –ly. Each item has different error frequency as written on the table below.
Table 8 The Frequency of Error in Adjective to Adverb Derivation
Category Affixation
Test Number
Frequency of Error Percentage
Adjective to Adverb
Derivation -ly
14 8
1.6 -ly
7 9
1.8 -ly
43 13
2.7 -ly
34 10
2 -ly
29 10
2
Total 50
10.2 Verb to adjective derivation. The following table is the table of error
frequency on Verb to Adjective Derivation. There are 14 errors or it equals to 2.9 from derivational suffix
–able, 0.4 or it equals to 2 errors from derivational suffix
–ive, 17 errors or 3.5 happened to suffix –y, 3 errors or 0.6 occurred on other derivational suffix
–able, and on other derivational suffix –ive 8
times or it equals to 1.6. Then, the total of the errors are 44 errors or equal to 9.
Table 9 The Frequency of Error in Verb to Adjective Derivation
Category Affixation
Test Number
Frequency of Error Percentage
Verb to Adjective
Derivation -able
4 14
2.9 -ive
12 2
0.4 -y
17 17
3.5 -able
45 3
0.6 -ive
47 8
1.6
Total 44
9 Noun to verb derivation. The eight most frequent errors is Noun to Noun
Derivation and the error frequency is written on the following table. There are nine errors on derivational suffix
–en or it is equal to 1.8, 7 errors or 1.4 happened to prefix en- and derivational suffix
–ify, 2 errors or 0.4 occurred on derivational suffix
–ize, and 3 errors from derivational suffix –ate. The accumulation of the error frequency on Noun to Verb Derivation is 28 errors or
5.7. The data is showed on the following table. Table 10
The Frequency of Error in Noun to Verb Derivation
Category Affixation
Test Number
Frequency of Error Percentage
Noun to Verb
Derivation -ize
2 2
0.4 en-
26 7
1.4 -en
36 9
1.8 -ify
33 7
1.4 -ate
23 3
0.6
Total 28
5.7 Verb to noun derivation. The second least frequent error is from Verb to
