semifluid vs semiliquid

semifluid

noun
  • Any substance with properties intermediate between those of a solid and a liquid. 

adj
  • Having properties intermediate between liquids and solids 

semiliquid

noun
  • Any substance with properties intermediate between those of a solid and a liquid. 

adj
  • Having properties intermediate between those of a solid and a liquid. 

  • Somewhat liquid; able to flow or change, but not entirely freely. 

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