いい年をして[iitoshiwoshite] (in spite of) being old enough to know better
亥年[idoshi] year of the boar
一箇年[ikkanen] one year
一周年[isshuunen] one full year
一年以内に[ichineninaini] within a year

一年間[ichinenkan] (period of) one year
一年生[ichinensei] annual (plant)
一年草[ichinensou] annual (plant)
一年ぢゅう[ichinenjuu] all year round
一両年[ichiryounen] (a) year or two

御心配なく[goshinpainaku] don't worry
一党支配[ittoushihai] one-party rule
加配[kahai] additional ration
加配米[kahaimai] extra rice ration
環境配慮書[kankyouhairyosho] environmental impact statement

気配[kehai] indication
軍配[gunbai] stratagem
減配[genpai] reduction in a dividend
交配[kouhai] mating
勾配[koubai] slope