Coradiation or Corradiation: How To spell?
The word Coradiation is misspelled against Corradiation, a noun meaning "A conjunction or concentration of rays in one point."
Corradiation has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings co & adiation which should not be misspelled with single 'R'
Wrong Spelling:  co-r-adiation  Correct Spelling:  co-rr-adiation 
Find more incorrect spellings of Corradiation to spell right way.