Cuprum Met: When there is speech difficulty due to spasm in throat.

Agaricus: When the spasm is in the tongue.

Stamonium: For stammering, inarticulate, slow and difficult speech.

Stannum: When there is difficulty due to debility of the chest.

Lachesis: When there is a complete loss of speech and the tongue does not come out of the mouth.

http://mediconews.com/2011/05/11/tongue-cancer/