disclose (part of speech: verb)
demonstrate (part of speech: verb)
discover (part of speech: verb)
- I will unmask the Austrians, the Russians, and the English with a powerful hand. - "Memoirs of the Private Life, Return, and Reign of Napoleon in 1815, Vol. I", Pierre Antoine Edouard Fleury de Chaboulon.
- Gentlemen, you will kindly unmask- which one of you is Robert Maillard? - "The Mardi Gras Mystery", H. Bedford-Jones.
- I thought it was about time to unmask, so I said- retrieving my hand- that I wasn't a regular kitchen mechanic but a volunteer. - "Jane Journeys On", Ruth Comfort Mitchell.