cat's claw vs soft touch

cat's claw

noun
  • Used other than figuratively or idiomatically: see cat, claw. 

  • Uncaria tomentosa, a plant species found in the tropical jungles of South and Central America 

  • Biancaea decapetala, a thorny evergreen shrub of India 

  • Acacia plumosa, a medicinal plant species native to Brazil 

  • Grevillea alpina, a shrub species native to Australia 

  • Carpobrotus edulis, or uña de gato (Spanish: "cat's claw"), a plant species in the Aizoaceae family 

  • Mimosa nuttallii (formerly Schrankia nuttalli), a plant native to the Midwestern United States 

  • Dolichandra unguis-cati, or cat's claw creeper, a Central American climbing vine of the Bignoniaceae family 

  • Uncaria rhynchophylla, a plant species used in traditional Chinese medicine 

  • bayag-kambing (Caesalpinia crista) 

  • Martynia annua, a plant species endemic to Brazil 

  • Senegalia greggii, formerly Acacia greggii, a tree species native to the southwestern United States and northern Mexico 

  • Uncaria guianensis, a plant species found in Guyana 

soft touch

noun
  • A comfortable situation; an easy task or undemanding occupation, especially one which is comfortably remunerative. 

  • A person or group that is sympathetic, accommodating, easily overcome, or easily persuaded, especially one that loans or readily gives money to another. 

How often have the words cat's claw and soft touch occurred in a corpus of books? (source: Google Ngram Viewer )