Synonyms for Falseheartedness:

• n.

  •false-heartedness (noun)
  • unfaithfulness,
  • disloyalty,
  • traitorousness,
  • underhandedness,
  • dishonesty,
  • treachery,
  • falseness,
  • treacherousness,
  • perfidy,
  • falsity,
  • perfidiousness.
  •falseness (noun)
  • betrayal,
  • falsification,
  • infidelity,
  • deception,
  • false-heartedness,
  • deceit.
  •perfidiousness (noun)
  • fickleness,
  • treason,
  • doubt,
  • skepticism,
  • inconstancy,
  • fraud*,
  • disbelief.