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

安全期[anzenki] safe period
暗黒期[ankokuki] eclipse period
一期[ichigo] one's life time
一期[ikki] one term
一期一会[ichigoichie] once-in-a-lifetime encounter (hence should be cherished as such)

一周期[isshuuki] period (in astronomy)
一定期間[itteikikan] fixed interval
延期[enki] postponement
延期になる[enkininaru] to be postponed
沖積期[chuusekiki] alluvial period

せん状骨[senjoukotsu] scaphoid bone (in wrist near thumb)
挨拶状[aisatsujou] greeting card
依頼状[iraijou] written request
委任状[ininjou] commission
異状[ijou] something wrong

遺言状[yuigonjou] will
渦状[kajou] spiral
液状[ekijou] liquid state
円盤状[enbanjou] disk-shaped
仮免状[karimenjou] temporary certificate

アルコール依存症[arukooruizonshou] alcohol dependency
ストックホルム症候群[sutokkuhorumushoukougun] Stockholm syndrome
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
レジオネラ症[rejionerashou] Legionnaire's disease
悪症[akushou] malignant or virulent disease

炎症[enshou] inflammation
炎症病巣[enshoubyousou] inflamed part
花粉症[kafunshou] hay fever
過食症[kashokushou] binge eating
過敏症[kabinshou] hypersensitivity