dissimilitudo
From LSJ
Ῥῦσέ με δεινῶν νοσημάτων, ἱερώτατε, ἱερωσύνην συναρμόσας ἐν χαρᾷ και ἐπιστήμης τὸ πολύτιμον κεφάλαιον → Deliver me from grievous afflictions, most holy one, joining sanctity together in joy with the precious fountainhead of knowledge
Latin > English (Lewis & Short)
dissĭmĭlĭtūdo: ĭnis, f. dissimilis,
I unlikeness, difference, dissimilitude (very freq. in <number opt="n">sing.</number> and <number opt="n">plur.</number>); <number opt="n">sing.</number>, Cic. Lael. 20, 74; id. de Or. 1, 59, 252; id. Fin. 5, 7, 19; id. Leg. 1, 10, 30; Quint. 5, 2, 3; 9, 3, 92 et saep.; <number opt="n">plur.</number>, Cic. Off. 1, 30, 107 fin.; id. de Or. 3, 7, 26; id. Brut. 82, 285; id. Div. 2, 45, 94 al.