Phoneme - a sound as it is said.
Grapheme - a sound that is written.
Digraph– Two letters that work together to make the same sound, e.g. ch as in chicken.
Trigraph - Three letters that work together to make the same sound, e.g. igh as in high.
Split digraph - Two letters that work together to make the same sound, separated by another
letter, e.g. a-e as in bake.
Blending- blending letter sounds together.
Sounding out- breaking down sounds within a word, e.g. c-a-t