Imortelle or Immortelle: How To spell?
The word Imortelle is misspelled against Immortelle, a noun meaning "A plant with a conspicuous, dry, unwithering involucre, as the species of Antennaria, Helichrysum, Gomphrena, etc. See Everlasting."
Immortelle has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings i & ortelle which should not be misspelled with single 'M'
Wrong Spelling:  i-m-ortelle  Correct Spelling:  i-mm-ortelle 
Find more incorrect spellings of Immortelle to spell right way.