Synonyms for Faint heart:

• n.

  •cold feet (noun)
  • apprehension,
  • doubt,
  • reservations,
  • second thoughts,
  • anxiety,
  • backing out,
  • fear.
  •yellow streak (noun)
  • gutlessness.

• Other synonyms:

  •Other relevant words:
  • baseness,
  • poltroonery,
  • yellow,
  • funk,
  • streak.