案内係[annaigakari] clerk at the information desk
因果関係[ingakankei] consequence
外交関係[gaikoukankei] diplomatic relations
勘定係[kanjougakari] cashier
関係[kankei] relation

関係つける[kankeitsukeru] to relate
関係会社[kankeigaisha] affiliated company
関係強化[kankeikyouka] strengthening of relations
関係者[kankeisha] authorized people
求職係[kyuushokugakari] applicant interviewer