Colagen or Collagen: How To spell?

The word Colagen is misspelled against Collagen, a noun meaning "The chemical basis of ordinary connective tissue, as of tendons or sinews and of bone. On being boiled in water it becomes gelatin or glue."

Collagen has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings co & agen which should not be misspelled with single 'L'
Wrong Spelling:  co-l-agen 
Correct Spelling:  co-ll-agen 
Find more incorrect spellings of Collagen to spell right way.