Subclas or Subclass: How To spell?
The word Subclas is misspelled against Subclass, a noun meaning "One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens."
Subclass has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  subcla-s  Correct Spelling:  subcla-ss 
Check more misspelled words of Subclass to spell it correct.