Is there a word that has three suffixes?

Yes, there are many words that have three suffixes! Here are a few examples:

* Happinesses: This word has the suffixes "-ness", "-es", and "-s".

* Nationalizations: This word has the suffixes "-ation", "-s", and "-s".

* Unbelievability: This word has the suffixes "-able", "-ity", and "-y".

Keep in mind that suffixes are added to the end of a word to modify its meaning or grammatical function.