Swimingness or Swimmingness: How To spell?
The word Swimingness is misspelled against Swimmingness, a noun meaning "Act or state of swimming; suffusion."
Swimmingness has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings swi & ingness which should not be misspelled with single 'M'
Wrong Spelling:  swi-m-ingness  Correct Spelling:  swi-mm-ingness 
Find more wrongly spelled words of Swimmingness to spell it well.