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

蔓延る[habikoru] to spread
延いては[hiiteha] not only ... but also
圧延[atsuen] rolling
圧延機[atsuenki] rolling machine
圧延工場[atsuenkoujou] rolling mill

圧延鋼[atsuenkou] rolled steel
雨天順延[utenjunen] rescheduled in case of rain
延び延び[nobinobi] stretching
延び延びになる[nobinobininaru] to be delayed
延べ[nobe] futures