Sui generis
In local government, a "sui generis" entity is one that does not fit with the general scheme of local governance of a country. For example in England, the City of London and the Isles of Scilly are the two "sui generis" localities, as their forms of local government are both (for historical or geographical reasons) very different from those of elsewhere in the country. 
In a press conference during which reporters were trying to analyse his political personality, Huey Long said, "...say that I am "sui generus", and let it go at that."
Monogenēs
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The problem with magical inscriptions, on papyri, walls or ostraca, is firstly dating the source, secondly that magical spells by their nature tend to be syncretic. In the example above lovestruck Capitolina summons "all the divinities" to release the spirits of "all who drowned in the Nile, the unmarried dead" etc. to sway the heart of her young man, yet she may not have known enough about Judaism or Christianity, or even Gnostic Christianity, to know whether "YAHWEH SABAOTH" and "the Only-Begotten" were the same god or not.Some aspects of the meaning, or range of meanings, of "monogenēs" in the New Testament are disputed. Lexicons of the New Testament both reflect and determine debate: