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

それ以来[soreirai] since then
出来るようになる[dekiruyouninaru] (something) has become possible
やって来る[yattekuru] to come along
ぴんと来る[pintokuru] to get (a joke or explanation)
以来[irai] since

遠来[enrai] foreign or distant visitor
往来[ourai] coming and going
家来[kerai] retainer
外来[gairai] external origin
外来患者[gairaikanja] outpatients