phone vs touch base

phone

verb
  • To call (someone) using a telephone. 

noun
  • A device for transmitting conversations and other sounds in real time across distances, now often a small portable unit also capable of running software etc. 

  • A speech segment that possesses distinct physical or perceptual properties, considered as a physical event without regard to its place in the phonology of a language. 

touch base

verb
  • To meet or make contact with someone, usually to consult, review, visit, or communicate. 

  • To touch a base, usually with a foot but sometimes with a hand. 

How often have the words phone and touch base occurred in a corpus of books? (source: Google Ngram Viewer )