digraph
/ˈdaɪɡræf/
noun
- A pair of letters that together represent a single sound, such as 'ch', 'sh', 'th', or 'ea'.
- When spelling 'knight', the digraph 'kn' is silent at the beginning.
- Many English digraphs, such as 'ph' for the /f/ sound, come from Greek.
- The digraph 'sh' appears in words like 'ship', 'fish', and 'shout'.
Synonyms