lettercombination
nounUK /ˈletə ˌkɒmbɪˈneɪʃən/
US /ˈletər ˌkɑːmbəˈneɪʃən/
A letter combination is two or more letters that come together in a word.
The letters 'th' in 'the' are a common letter combination.
OTHER MEANINGS
2. A pair of letters that make one sound, like 'sh' or 'ch'.
In 'ship', the letter combination 'sh' makes a single sound.
3. A set of letters used as a code or abbreviation.
The letter combination 'UK' stands for United Kingdom.
4. Letters joined together in a puzzle or game.
She found the hidden letter combination in the word search.