一元[ichigen] unitary
一元化[ichigenka] unification
一元的[ichigenteki] monistic
一元論[ichigenron] monism
一次元[ichijigen] one dimensional

一新紀元[isshinkigen] new era
隠元[ingen] beans
隠元豆[ingenmame] common bean (Phaseolus vulgaris)
家元[iemoto] head of a school (of music, dance)
火の元[hinomoto] origin of fire

位階勲等[ikaikuntou] court rank and honors
位勲[ikun] rank and order of merit
偉勲[ikun] great achievement
勲位[kuni] order of merit
勲１等[kunittou] order of the 1st class

勲記[kunki] decoration diploma
勲功[kunkou] merits
勲爵[kunshaku] peerage and order of merit
勲章[kunshou] decoration
元勲[genkun] elder statesman