iisdem
iisdem is a Latin form of idem, meaning “the same”. It is the dative plural masculine pronoun or dative plural feminine pronoun or dative plural neuter pronoun.
Found 124 times in the Latin texts on Socratos.
Where it is used
Cicero, Letters to his Friends 5.13.5: … atietur utriusque aetas et valetudo, et si esse una minus poterimus quam volemus, animorum tamen coniunctione iisdemque studiis ita fruemur, ut numquam non una esse videamur.
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.