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

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology

御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
ご降誕[gokoutan] birth (regal)
降誕[koutan] birth (regal)
再誕[saitan] resurrection (of a company or school, etc.)
初誕生[hatsutanjou] first birthday

生誕[seitan] birth
生誕百年[seitanhyakunen] 100th birthday anniversary
誕生[tanjou] birth
誕生祝い[tanjouiwai] birthday celebration
誕生石[tanjouseki] a birthstone