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Digraph

Two letters that make one sound, such as sh or ee.

Used in
All four UK nations (details may differ), United States
Topic
Teaching and learning

Being checked against official sources. This definition is written in our own words; always check the official guidance for your country.

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Trigraph All four UK nations (details may differ) United States
Three letters that make one sound, such as igh.
Grapheme All four UK nations (details may differ) United States International
A letter or group of letters that represents a phoneme in writing.

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Definitions are written by Classfern in our own words for teachers in the UK and the US. They are short explanations, not legal or official definitions: always check the official guidance for your country, nation or state. Classfern is not affiliated with or endorsed by any government department, inspectorate or exam board named here.