A Suffix is one or more letters added to the END of a word. In some words a letter is added. The words at the 'Bottom' of the screen can be changed by adding a 'Suffix'.
The number of 'Suffixes' you are expected to find are shown at the 'Top' of the screen. To add a 'Suffix' to your word, click on the letters inside the 'Red' ovals.
Do you want to continue Press the OK Button or Cancel.