The word Inspisating is misspelled against Inspissating, which is present continuous of "Inspissate"
-->
Inspissating has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings inspi & ating which should not be misspelled with single 'S'
Wrong Spelling:  inspi-s-ating 
Correct Spelling:  inspi-ss-ating 
Find more wrongly spelled words of Inspissating to spell it well.