The best way to locate a suffix isby checking the parts of the word, a suffix is a group of letter that adds to teh end of a root word to give it a new meaning, we can have different kinds of suffixes.
Verb suffixes (eg. say- saying)
Noun suffixes (eg. happy - happiness
Adjective suffixes (eg. help - helpful)
Adverb suffixes (eg. quick-quickly)
Profession suffixes (eg- teach-teacher)
Nacionality suffixes (eg. America- American)
To mention some
