"Sea" and "see" sound exactly alike but mean very different things.
One is the salty water where fish swim, and one is what your eyes do. Same sound, different spelling!
More facts about Spelling Simple
Spelling means putting letters in the right order to make a word.
The word "cat" is spelled with three letters: c, a, t.
Some words sound the same but are spelled differently, like "two" and "too."
Silent letters are letters we write but do not say, like the k in "knee."
Longer words are often easier to spell in small chunks.