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

白地[akarasama] plain
アジア太平洋地域[ajiataiheiyouchiiki] Asia-Pacific region
ゼロ地点[zerochiten] ground zero
リーダーシップ的地位[riidaashipputekichii] leadership position
ルーラル地域[ruuraruchiiki] rural area

渥地[akuchi] marshland
安全地帯[anzenchitai] safety zone
意気地[ikuji] self-respect
意気地無し[ikujinashi] coward
意気地のない[ikujinonai] spineless