ゲリラ兵[gerirahei] guerrilla
１等兵[ittouhei] private (e-2)
衛兵[eihei] palace guard
閲兵[eppei] parade
援兵[enpei] reinforcements

下士官兵[kashikanhei] enlisted man
化学兵器[kagakuheiki] chemical weapons
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
寡兵[kahei] small army force
海兵[kaihei] sailor

御食い初め[okuizome] weaning ceremony
為初め[shisome] outset
為初める[shisomeru] to begin to do
仮初[karisome] temporary
業界初[gyoukaihatsu] the industry's first ...

月初め[tsukihajime] beginning of month
最初[saisho] beginning
初めに[hajimeni] to begin with (used as an introduction)
初めは[hajimeha] at first
手初めに[tehajimeni] at first

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