Pasingly or Passingly: How To spell?
The word Pasingly is misspelled against Passingly, an adverb meaning "Exceedingly."
Passingly has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pa & ingly which should not be misspelled with single 'S'
Wrong Spelling:  pa-s-ingly  Correct Spelling:  pa-ss-ingly 
Find more wrongly spelled words of Passingly to spell it well.