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

一徹[ittetsu] obstinate
一徹者[ittetsumono] stubborn person
貫徹[kantetsu] accomplishment
周知徹底[shuuchitettei] (something) known to all
初志貫徹[shoshikantetsu] carrying out one's original intention

徹す[toosu] to stick through
徹る[tooru] to go by
徹甲弾[tekkoudan] armor piercing ammunition
徹宵[tesshou] all night
徹底[tettei] thoroughness

意志[ishi] will
意志の強い[ishinotsuyoi] strong-minded
意志の疏通[ishinosotsuu] mutual understanding
意志決定機関[ishiketteikikan] decision-making body
意志薄弱[ishihakujaku] weak-willed

意志決定[ishikettei] decision-making
遺志[ishi] dying wish
厚志[koushi] kind intention
志す[kokorozasu] to plan

一貫[ikkan] consistency
一貫して[ikkanshite] consistently
一貫性[ikkansei] consistency
一貫番号[ikkanbangou] serial number
看貫[kankan] weighing

貫き通す[tsuranukitoosu] to go through
貫く[tsuranuku] to go through
貫通[kantsuu] pierce
貫徹[kantetsu] accomplishment
貫流[kanryuu] flowing through