***** NOT A TEACHER *****
We once had a president who said, "I feel your pain." Well, I do feel your pain.
How about these words:
We once had a vice-president of the United States who told a group of children to spell the vegetable as "potatoe." (I guess that he was confused by the plural "potatoes.")
My only advice to you is to get a good dictionary.
Then read widely and listen to as much English as you can.
Student or Learner