老人性認知症 ろうじんせいにんちしょう Meanings Noun senile dementia Kanji 老 elderly. Read as ロウ. 人 person. Read as ジン. 性 nature. Read as ショウ. 認 recognize. Read as ニン. 知 know 症 symptom. Read as ショウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists