暗中摸索[anchuumosaku] groping in the dark
家宅捜索[katakusousaku] premises search
検索[kensaku] looking up (e.g. a word in a dictionary)
鋼索[kousaku] cable
索引[sakuin] index

索具[sakugu] rigging
索条[sakujou] cable
索条鉄道[sakujoutetsudou] cable railway
索然[sakuzen] dry

詮術[sensube] (proper) methods
所詮[shosen] after all
詮索[sensaku] inquiry into
詮方[senkata] required means
詮ない[sennai] unavoidable

詮議[sengi] discussion
詮索好き[sensakuzuki] nosy person
詮議立て[sengidate] considering thoroughly
詮方無い[senkatanai] it cannot be helped