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

御出でになる[oideninaru] to be
御珍々[ochinchin] penis
御田[oden] oden
御鍋[onabe] pot
御負けに[omakeni] to make matters worse

御呪い[omajinai] good luck charm
御襁褓気触れ[omutsukabure] diaper rash
御目出度う御座います[omedetougozaimasu] congratulations
御握り[onigiri] rice ball (often triangular, sometimes with a filling and wrapped in nori)
御陰[okage] grace (of God)