Rivales or Rivaless: How To spell?

The word Rivales is misspelled against Rivaless, a noun meaning "A female rival."

Rivaless 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: rivale-s
Correct Spelling: rivale-ss
Find more wrongly spelled words of Rivaless to spell it well.