Question

Difficulty: HardDiphthongs

In which of the following words is the primary vowel sound identical to the diphthong produced in the word deign?

  1. chasteAnswer
  2. B
    height
  3. C
    plaque
  4. D
    quay

Answer

The word with the identical diphthong sound is 'chaste'.
The word 'deign' contains the diphthong sound /eɪ/ (/deɪn/). The word 'chaste' (/tʃeɪst/) is the only option that contains this exact same /eɪ/ diphthong glide.

Step-by-Step Solution

1
Transcribe the target word phonetically to identify its primary vowel sound.
The word 'deign' is phonetically transcribed as /deɪn/, featuring the diphthong sound /eɪ/.
Accurate phonetic identification isolates the diphthong glide needed for matching.
2
Analyze each option's phonetic structure to locate the /eɪ/ diphthong.
'chaste' = /tʃeɪst/ (/eɪ/ diphthong); 'height' = /haɪt/ (/aɪ/ diphthong); 'plaque' = /plæk/ (/æ/ monophthong); 'quay' = /kiː/ (/iː/ monophthong).
Distinguishing pure monophthongs and deceptive spelling patterns isolates the single correct match.
3
Match the target diphthong /eɪ/ with the correct option.
'chaste' matches 'deign' with the /eɪ/ diphthong.
Both words articulate the identical vocalic glide /eɪ/.

Key Concept

Diphthong Sound Matching (/eɪ/)
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