8 letters · 10 points in Scrabble
noun a psychological disorder characterized by delusions of persecution or grandeur
originLearned borrowing from Ancient Greek παράνοια (paránoia, “madness”), from παράνοος (paránoos, “demented”), from παρά (pará, “beyond, beside”) + νόος (nóos, “mind, spirit”). By surface analysis, para- (“abnormal, beyond”) + nous (“mind”) + -ia (“(medical) condition”).
Etymology from Wiktionary, CC BY-SA 3.0