Bitersweet or Bittersweet: How To spell?
The word Bitersweet is misspelled against Bittersweet, a noun meaning "A climbing shrub, with oval coral-red berries (Solanum dulcamara); woody nightshade. The whole plant is poisonous, and has a taste at first sweetish and then bitter. The branches are the officinal dulcamara."
Bittersweet has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bi & ersweet which should not be misspelled with single 'T'
Wrong Spelling:  bi-t-ersweet  Correct Spelling:  bi-tt-ersweet 
Find more wrongly spelled words of Bittersweet to spell it well.