Clases or Classes: How To spell?

The word Clases is misspelled against Classes, which is plural of "Classis"

Classes has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings cla & es which should not be misspelled with single 'S'
Wrong Spelling: cla-s-es
Correct Spelling: cla-ss-es
Explore spell check of Classes to spell without errors.