There are two primary types of suffixes in English. First,
Derivational suffix and Inflectional suffix. The study is expected to
provide and add some information which can help the teacher to
improve their skill in writing. Suffixes is categorized here in a simple
manner, it defined some categories: nominal suffixes, verbal suffixes,
adjectival suffixes, and adverbial suffixes. This research used
qualitative research method to identify and to describe derivational
suffixes found in Editorial of The Jakarta Post in edition June 2018
based on morphological analysis to improve the writing skills and
abilities. The researcher has found derivational suffixes in the Jakarta
Post of June edition 2018. Those are 4 types derivational suffixes, it
contains 23 words of derivational suffixes. First, Nominal suffixes (2
word using –ness, 2 word using –ity) and Denominal Suffixes (2 word
using –al, 2 word using –ation, 2 word using –ment, 2 word using –
ial, 0 word using –ual). Second, Verbal suffixes (0 word Suffixes
using –ify, 1 word Suffixes using –ize, 1 word Suffixes using –en).
Third, adjectival suffixes (5 word using Relational adjectives, 2 word
Suffixes using Qualitative adjectives). Fourth, Adverbial Suffixes (2
word Suffixes using –ly. 0 word Suffixes using –ward, 0 word
Suffixes using –wise). This research contributes and gives the
knowledge about morphological analysis, especially in the analysis of
derivational suffixes found in the Jakarta post June edition of 2018, to
supported the student college in study morphology, grammar and
teaching writing are fundamental and important to English study; it
seems to need serious effort. All of them are relating to making good
writing.