scias
scias is a Latin form of scio, meaning “know”. It is the 2nd person singular present active subjunctive.
Found 224 times in the Latin texts on Socratos.
Where it is used
Cicero, Pro S. Roscio Amerino 53: … um odi reperiri nullo modo potest. exheredare pater filium cogitabat. Mitto quaerere qua de causa; quaero qui scias; tametsi te dicere atque enumerare causas omnis oportebat, et id erat certi accusatoris officium qui tanti sc …
Pliny the Younger, Epistulae 1.17.4: Scias ipsum plurimis virtutibus abundare, qui alienas sic amat. Redditus est Silano debitus honor, cuius immortalitati Capito prospexit pariter et suae. Neque enim magis decorum et insigne est statuam in foro populi Romani habere quam ponere. Vale.
Plautus, Casina 3.5.668: Immó si sciás dicta quaé dixit hódie—
All forms of scio (conjugation table)
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.