SPIKE - Review how special characters currently function in search

-currently English search addresses synonyms. Review how much effort it would be to allow the same for international languages (French, Indigenous)
-break down special characters in other languages to match to our letters
-review option to use French stemmer
-consider searching on name, address and emails

Review how English synonym search currently works, then assess the effort for French and Indigenous-language support. Investigate special-character matching, the French stemmer option, and searching names, addresses, and emails; done means providing a clear effort breakdown and recommendation.

Written by the indexing model from the issue text.