Congresion or Congression: How To spell?
The word Congresion is misspelled against Congression, a noun meaning "A coming or bringing together, as in a public meeting, in a dispute, in the act of comparing, or in sexual intercourse."
Congression has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings congre & ion which should not be misspelled with single 'S'
Wrong Spelling:  congre-s-ion  Correct Spelling:  congre-ss-ion 
Find more incorrect spellings of Congression to spell right way.