Iradiant or Irradiant: How To spell?
The word Iradiant is misspelled against Irradiant, an adjective meaning "Irradiating or illuminating; as, the irradiant moon."
Irradiant has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings i & adiant which should not be misspelled with single 'R'
Wrong Spelling:  i-r-adiant  Correct Spelling:  i-rr-adiant 
Find more wrongly spelled words of Irradiant to spell it well.