bottle up vs touch base

bottle up

verb
  • To prevent (enemy vessels) from leaving an anchorage. 

  • To put into bottles. 

  • To keep suppressed and hidden. 

touch base

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

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

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