letterchange
nounUK /ˈlɛtətʃeɪndʒ/
US /ˈlɛtərtʃeɪndʒ/
A letterchange is when you swap one letter in a word for another letter.
Changing 'cat' to 'bat' is a letterchange.
OTHER MEANINGS
2. A puzzle where you make a new word by changing one letter.
The teacher gave us a letterchange puzzle to solve.
3. The act of replacing a letter in a name or code.
The letterchange in the password made it harder to guess.
4. A small edit that swaps one written letter for another.
A single letterchange fixed the typo in the sign.