Dissemble

[Sarah]

To conceal the real fact, motives,He that hateth dissembleth with his lips. Prov. xxvi. 24.He [an enemy] dissembles when he assumes an air of friendship. C. J.Smith.

[Sarah]

Neologistic contraction of “disassemble.”
Malopropism for the word: disassemble.

[Greta]

To give a false or misleading appearance to; conceal the truth or the real nature of:
to [dissemble] ones incompetence in business. To conceal/lie and hide ones true motives, thoughts, actions, etc., by some pretense; speak or act hypocritically.
*Not to be confused with the word [disassemble], to take apart, [dismantle], tear down.

[Agnes]

Conceal or disguise one