Hi narendragandhi,While switching to AEM spell check in XML editor toolbar, Authors should be able to select or right-click a word and choose "Add to Dictionary". Authors need an interface from XML Editor to be able to add words to the dictionary

While switching to AEM spell check in XML editor, Authors should be able to select or right-click a word and choose 'Add to Dictionary'. Authors need an interface from XML Editor to be able to add words to the dictionaryfor example shown in below screen shot  

while switching to AEM spell check in XML editor tool bar ,how can we get "add to dictionary" suggestion same as like in "Browser spell check" as shown in below screen shot