Galstone or Gallstone: How To spell?

The word Galstone is misspelled against Gallstone, a noun meaning "A concretion, or calculus, formed in the gall bladder or biliary passages. See Calculus, n., 1."

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