Swetener or Sweetener: How To spell?
The word Swetener is misspelled against Sweetener, a noun meaning "One who, or that which, sweetens; one who palliates; that which moderates acrimony."
Sweetener has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Sw & tener which should not be misspelled with single 'E'
Wrong Spelling:  Sw-e-tener  Correct Spelling:  Sw-ee-tener 
Explore spell check of Sweetener to spell without errors.