訪問【ほうもん】
call, visit
訪日【ほうにち】
visit to Japan
訪ねる【たずねる】
to visit, to call on, to pay a visit to
来訪【らいほう】
visit (from someone), call
探訪【たんぼう】
searching, hunting for news story, journalist
訪れる【おとずれる】
to visit, to call on, to arrive (of a season, situation, etc.), to come, to appear