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

一陣[ichijin] gust of wind
円陣[enjin] forming a circle
共産陣営[kyousanjinei] the Communist camp
軍陣[gunjin] camp
軍陣医学[gunjinigaku] military medicine

経営陣[keieijin] the management ranks
堅陣[kenjin] stronghold
殺陣[tate] sword battle (staged for television, etc.)
主陣地[shujinchi] main battle area
出陣[shutsujin] departure for the front