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

窯業[yougyou] ceramics
窯元[kamamoto] pottery
窯出し[kamadashi] removing pots from kiln
土窯[dogama] earthen kiln
炭窯[sumigama] charcoal kiln

窯印[kamajirushi] potter's mark
官窯[kanyou] governmental porcelain furnace
トンネル窯[tonnerugama] tunnel kiln
穴窯[anagama] very old type of kiln made by digging a hole in the side of a hill