s = 'Choose from millions of possibilities on Shaadi.com. Create your profile, search&contact; your special one.RegisterFree\xa0\xa0\xa0unsubscribing reply to this mail\xa0\n and 09times and this is limited time offer! and this is For free so you are saving cash'
p_words = ['cash', 'for free', 'limited time offer']

print dict((w, s.count(w)) for w in p_words)