high tide vs so-so

high tide

noun
  • Synonym of menstruation 

  • The natural tide at its highest level for a particular tidal cycle at a certain place. 

  • climax, culminating point or phase 

  • The time of day when the sea has risen to its highest level. 

so-so

adv
  • Neither very well nor very poorly. 

adj
  • Neither good nor bad; tolerable, passable, indifferent. 

How often have the words high tide and so-so occurred in a corpus of books? (source: Google Ngram Viewer )