She has mastered the basics of her craft. He mastered the class.
invented spelling
Now that you've mastered spelling, please apply those skills to your writing.
archimedes
I gracefully mastered the art of Taekwondo.
The correct spelling is invented.
Invented spelling is used in some classrooms in early elementary school years. Students are instructed to write based on the way they think a word is spelled, instead of asking for the correct spelling of a word.
check your spelling
He mastered it at the age of eight.
La la la
John fornen
Sumer mastered sea farming