Conceal means to remove from human sight. It is a verb, so we must put it in verb form. Conceal also means to hide.
1. She concealed her real identity from her friends.
2. Mary liked to conceal her face from others because of the impurities on her skin.
3. "Why are you concealing your voice from others? They need to hear you read your essay!" Said Mr. Jackson to Hellen.
4. Do not try to conceal your name from the public, mostly everyone knows it already.