御付き[otsuki] retainer
御墨付き[osumitsuki] handwriting
恰好付ける[kakkoutsukeru] to affect a stylish air
食っ付く[kuttsuku] to adhere to
食っ付ける[kuttsukeru] to attach

しがみ付く[shigamitsuku] to cling
何方付かず[docchitsukazu] gray area
に付いて[nitsuite] concerning
に付き[nitsuki] because of
打っ付ける[uchitsukeru] to knock

か弱い[kayowai] frail
ひ弱い[hiyowai] weak
意志薄弱[ishihakujaku] weak-willed
胃弱[ijaku] dyspepsia
虚弱[kyojaku] feebleness

強弱[kyoujaku] strength
弱い[yowai] weak
弱い者[yowaimono] weak person
弱い相互作用[yowaisougosayou] weak interaction (physics)

のめり込む[nomerikomu] to be completely absorbed in
圧し込む[heshikomu] to push into
意気込む[ikigomu] to be enthusiastic about
引込む[hikikomu] to draw in
引摺り込む[hikizurikomu] to drag in

引っ込み[hikkomi] retreat
引込思案[hikkomijian] reserved
引っ込む[hikkomu] to draw back
引っ込める[hikkomeru] to draw in
運び込む[hakobikomu] to carry in