The differences between the
Van Ophuijsen Spelling System and this system are: • The vowel , which in the
Van Ophuijsen Spelling System was written as ⟨oe⟩, became ⟨u⟩, for example became . • The sign ⟨'⟩ or ⟨
ʼ⟩ for the glottal stop (hamzah) and ⟨ʻ⟩ for the Arabic y ⟨ع⟩ were to be abolished in syllable-initial position and replaced by ⟨k⟩ in syllable-final position, such as (formerly ), (formerly ), (formerly ) and (formerly ). • The
reduplicated words could be written using the numeral
2, for example , and . • Both the prefix and the preposition were written without a space after the preposition or prefix. Thus, the preposition (for example and ) was not differentiated from the prefix (for example and ). • The difference between the phonemes plain ⟨e⟩ indicated and ⟨é⟩ with an
acute was used to write was abolished: both were to be written ⟨e⟩. • The difference between diphthongs and the vowel sequences (which was indicated by presence of
diaeresis) was to be abolished. Both were to be written without diaeresis. == Comparison ==