residentsi
The term "residentsi" is not a recognized word in standard English or in common usage. It does not appear in dictionaries or widely accepted glossaries. It is possible that "residentsi" is a misspelling, a neologism, or a term specific to a particular niche or language that has not yet gained broader recognition.
If "residentsi" is intended to be a plural form related to "resident," the standard plural is "residents."
Without additional information or clarification regarding the origin and intended meaning of "residentsi," it is impossible