Falsehood
Part of speech: noun
Definition: The state of being false. A false statement, esp. an intentional one; a lie The trait of a person who is mendacious and deceitful.
Example sentence: We have to live today by what truth we can get today and be ready tomorrow to call it falsehood.
Falsity
Part of speech: noun
Definition: Something that is false; an untrue assertion.The characteristic of being untrue.