io In American English
In the following lesson, the 'io' digraph will be discussed in terms of its phonetic representations.
Digraphs are pairs of letters that combine to produce a distinct sound.
Digraph | io |
|---|---|
Name | io (pronounced /ˈaɪ ˈoʊ/) |
Common Sound(s) | /ə/, /ioʊ/, /iə/, /aɪə/, /aɪoʊ/, /iɑ/ |
Digraph 'io'
Sound 1: /ə/
The digraph 'io' sounds like /ə/ in unstressed syllables. This typically happens in suffixes:
region /ɹiːdʒən/
decision /dɪˈsɪʒən/
nation /ˈneɪʃən/
attention /əˈtɛn.ʃən/
Sound 2: /ioʊ/
The 'io' digraph represents the sound /ioʊ/, often heard in words with a smooth, flowing pronunciation.
portfolio /pɔɹtˈfoʊ.lioʊ/
cardio /kɑɹ.dioʊ/
studio /ˈstudioʊ/
scenario /sɪˈnɛəɹioʊ/
Sound 3: /iə/
The 'io' digraph also produces the /iə/ sound, blending a short 'i' with a soft 'uh,' commonly found in words where 'io' follows a consonant.
idiom /ˈɪdiəm/
champion /ˈtʃɛmpiən/
chariot /ˈtʃæɹiət/
period /ˈpɪɹiəd/
Sound 4: /aɪə/
The 'io' digraph represents the sound /aɪə/, combining a diphthong and a schwa in a fluid sequence.
lion /ˈlaɪən/
violin /ˌvaɪəˈlɪn/
priory /ˈpɹaɪəɹ.i/
violate /ˈvaɪəˌleɪt/
Sound 5: /aɪoʊ/
The 'io' digraph also represents the diphthong /aɪoʊ/, blending the vowel sounds /aɪ/ and /oʊ/ in English pronunciation.
viola /vaɪoʊlə/
biopic /ˈbaɪoʊpɪk/
biofuel /bˌaɪoʊfjˈuːəl/
bio /ˈbaɪoʊ/
Sound 5: /iɑ/
The 'io' digraph can also produce the sound /iɑ/, blending the vowel sounds of 'ee' and 'ah' into a single pronunciation.
periodic /ˌpɪɹiɑdɪk/
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