秋田: Akita (prefecture or city, or a surname)

章成, 明成, 章允, 晃允, 秋允, 昭允, 晶允, 明允: a male given name / 淳成, 璃成, 秋成, 穐成: a surname

知憲, 智明, 智晃, 友亮, 友昭, 朋昭: a male given name

成晃: a male given name

明菜: a female given name

忠彰, 忠存: a male given name

直明, 直朗: a male given name

珊々, 珊珊: / 毿々, 毿毿: / 潸々, 潸潸: / 燦々, 燦燦, 粲々, 粲粲: brilliant, bright

三々, 三三:

参加: participation / 酸化: oxidation, combustion / 惨禍: catastrophe, disaster / 傘下: subsidiary / 産科: obstetrics / 賛歌, 讃歌, 讚歌: song of praise, hymn, paean / 山家: mountain villa