Seventen or Seventeen: How To spell?

The word Seventen is misspelled against Seventeen, a noun meaning "A symbol denoting seventeen units, as 17, or xvii."

Seventeen has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Sevent & n which should not be misspelled with single 'E'
Wrong Spelling: Sevent-e-n
Correct Spelling: Sevent-ee-n
Explore spell check of Seventeen to spell without errors.