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

公租[kouso] public tax
租界[sokai] concession
租借[soshaku] lease
租借地[soshakuchi] leasehold land
租税[sozei] taxes

地租[chiso] land tax
年租[nenso] annual tax
免租[menso] tax exemption
免租地[mensochi] tax-exempt land
田租[denso] farm tariff