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1. Consonant Change
In some bases attached to the suffix {-ure}, the morphophonemic process affects the alteration of some consonants in the word. The changes are in
the words as follows. Architect ˈɑːkɪtekt
architecture ˈɑːkɪtektʃər Close ˈkləʊz
closure ˈkləʊʒər Depart dɪˈpɑːt
departure dɪˈpɑːtʃər Press pres
pressure ˈpreʃər Seize siːz
seizure ˈsiːʒər The consonant change of the words attached to the suffix {-ure} is
dominated by the consonants t and z which coincidentally share the same position at the end of the base. The number of the consonant change in the bases
ending with t is twelve, while in the bases ending z is nine. The examples can be seen from the list above. In the words architect ˈɑːkɪtekt and depart dɪˈpɑːt,
their last phoneme which is t turns into tʃ when they receive the suffix {-ure}. In the meantime, the bases with the final z change into ʒ when the
suffix {-ure} is added. The words close ˈkləʊz and seize siːz, for instance, become ˈkləʊʒər and ˈsiːʒər. The last phoneme z in those words changes
into ʒ while the ər is the pronunciation of the suffix {-ure}. Other than the bases ending with the last phonemes t and z, there is another last phoneme
which undergoes a consonant change. It is s that can be identified in the word press pres. When the last phoneme s of the base attached to the suffix {-ure},
it changes into ʃ as in the word press pres which turns into pressure ˈpreʃər.
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From the discussion above, the vowel insertion can be summarized into the following phonological notation.
C [+alveolar] [+palatal] __ [+palatal]
2. Vowel Insertion
One of the morphophonemic processes which adds a segment in a word is named segment insertion. The segment can be inserted in the initial, medial, or
even final sound of a word. In linguistics, this process is known as epenthensis. In this undergraduate thesis, there are seven words experiencing the
segment insertion process after they are attached to the suffix {-ure}. All of those segments are inserted at the end of the bases of the suffix {-ure}. The examples
of segment insertion are likely as follows. Curve kɜːv
curvature ˈkɜːvətʃə
r
Expend ɪkˈspend expenditure ɪkˈspendɪtʃər
Invest ɪnˈvest investiture ɪnˈvestɪtʃər
Sign saɪn signature ˈsɪցnətʃər
The bases listed above show that almost all of the bases are pronounced the same even after they are attached to the suffix {-ure}. The only different thing
is there is a segment insertion at the end of each base which is the pronunciation of the suffix {-ure} or its variants. The words curve kɜːv and sign saɪn, for
instance, will be pronounced as ˈkɜːvətʃə
r
and signature ˈsɪցnətʃər after being attached to the suffix {-ure}. There are no IPA changes on each base after
receiving the suffix {-ure} but the insertion of ə that appears before tʃər. Another vowel insertion is applied in the words expend ɪkˈspend and
invest ɪnˈvest. After attached to the suffix {-ure}, the pronunciation of those
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words change into ɪkˈspendɪtʃər and ɪnˈvestɪtʃər. In other words, there is a vowel insertion of ɪ before tʃər in each pair.
From the discussion above, the vowel insertion can be summarized into the following phonological notation.
Ø ə C [+voiced, +labiodental] __ [+palatal]
Ø ə C [+nasal, +alveolar] __ [+palatal]
Ø ɪ C [+voiced, +alveolar] __ [+palatal]
3. Vowel Change
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