afloat vs unsinkable

afloat

adv
  • Floating. 

  • Covered with water (bearing floating objects). 

  • Floating in the air; flowing freely; not tied, braided, etc. 

  • Having enough money to continue to operate; (of a private individual, family, etc.) able to pay one's expenses, able to keep one's head above water. 

  • In a vessel at sea or on another body of water. 

  • Covered, overspread (with or in something). 

unsinkable

adj
  • A piece of faeces that floats. 

  • Of a ship: that cannot be sunk. 

  • That cannot be overcome or defeated. 

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