saber-tooth vs saber-toothed tiger

saber-tooth

saber-toothed tiger

noun
  • Any of numerous species of prehistoric cat-like mammals (principally in the subfamily Machairodontinae), characterized by massive, but short, legs and two large canine teeth, each about seven inches long and shaped like a saber. 

How often have the words saber-tooth and saber-toothed tiger occurred in a corpus of books? (source: Google Ngram Viewer )