Affix, is produced when a grammatical element is being joined with a word, or phrase in order for an infected form of the word to be produced. Affix are typically of three firms which are the prefixes, the innfixes, and the suffixes.

Word roots are simply the words that are taken from other languages and it should be noted that these are where majority of English words come from. Some English words have either Greek or Latin origins. Roots are basic word part that comes from another language.

A prefix is a group of letters that are typically placed before a word's root. e.g "un" which means not can be seen in words like unhappy which simply means not happy.

Unlike prefixes, the suffixes are not added at the start but rather at the end of that word e.g ment, ness etc.

Therefore, based on the explanation, the answer is root.

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3 years ago