Select all that apply. Remember that you can add prefixes and suffixes to a word to create a new word.
Which of the following are new words that come from the root word thank?
Hint: remember that prefixes and suffixes are un-, -S, -ing, -ed, -er, and -ful.
thanks
thankful
thanker
unthanking
thanking
thanked
unthankful
thankfuls
