digram

/ˈdaɪɡræm/
noun
  1. A group of two letters that represent one sound, such as 'ea' in 'bread' or 'sh' in 'ship'.
    • Teachers often point out the digram 'th' when teaching young children to read.
    • The digram 'ai' in 'rain' is a common spelling pattern in English.
    • In the word 'phone', the letters 'ph' form a digram that makes the /f/ sound.
Synonyms