Calus or Callus: How To spell?

The word Calus is misspelled against Callus, a noun meaning "Same as Callosity"

Callus has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings ca & us which should not be misspelled with single 'L'
Wrong Spelling:  ca-l-us 
Correct Spelling:  ca-ll-us 
Check more misspelled words of Callus to spell it correct.