関係【かんけい】
relation, relationship, connection, participation, involvement, concern, influence, effect, sexual relations, sexual relationship, related to, connected to
関わる【かかわる】
to be affected, to be influenced, to be concerned with, to have to do with, to stick to (opinions)
無関係【むかんけい】
unrelated
機関【きかん】
engine, agency, organisation, organization, institution, organ, body, system, facility, facilities
関心【かんしん】
concern, interest
関連【かんれん】
relation, connection, relevance
関係者【かんけいしゃ】
person concerned, people involved (in an event), those concerned, staff
関与【かんよ】
participation, taking part in, participating in, being concerned in
玄関【げんかん】
entrance, front door, entryway, entranceway, entry hall, vestibule, porch, foyer, mud room
関税【かんぜい】
tariff (import tax), duty, customs
大関【おおぜき】
ōzeki (second highest rank in sumo)
機関紙【きかんし】
bulletin, (party) organ
人間関係【にんげんかんけい】
human relations, personal relationships
報道機関【ほうどうきかん】
information media, press, news organs
税関【ぜいかん】
customs, customs house
関脇【せきわけ】
wrestler of the third highest rank
関心事【かんしんじ】
matter of concern, matter of interest
関節【かんせつ】
joint (knee, elbow, etc.)
難関【なんかん】
barrier, obstacle, difficulty, hurdle, deadlock
通関【つうかん】
customs clearance