flagship vs tiptop

flagship

noun
  • The most important one out of a related group. 

  • The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag. 

  • The ship regarded as most important out of a group, e.g. a nation's navy or company's fleet. 

verb
  • To act as a flagship for. 

tiptop

noun
  • The very topmost point. 

  • The highest or utmost degree; the best of anything. 

  • Oral stimulation of the male member, a blowjob (more commonly top). 

adv
  • Excellently; in a first-rate manner. 

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