逆探知[gyakutanchi] phone trace
金属探知機[kinzokutanchiki] metal detector
金探し[kinsagashi] searching for gold
厳探[gentan] strict search
伺い探る[ukagaisaguru] to spy out

私立探偵[shiritsutantei] private detective
手探り[tesaguri] fumbling
人探し[hitosagashi] searching for someone
あら探し[arasagashi] finding fault
探し求める[sagashimotomeru] to search for

往訪[ouhou] visit
公式訪問[koushikihoumon] official visit
探訪[tanbou] searching
訪ねる[tazuneru] to visit
訪れる[otozureru] to visit

訪客[houkyaku] visitor
訪日[hounichi] visit to Japan
訪米[houbei] visit to America
訪問[houmon] call
訪う[tou] to ask