関係【かんけい】
relation, relationship, connection, participation, involvement, concern, influence, effect, sexual relations, sexual relationship, related to, connected to
関心【かんしん】
concern, interest
関連【かんれん】
relation, connection, relevance
機関【きかん】
engine, agency, organisation, organization, institution, organ, body, system, facility, facilities
関税【かんぜい】
tariff (import tax), duty, customs
関西【かんさい】
Kansai, region consisting of Osaka, Kobe, Kyoto and surrounding prefectures, Kansai, south-western half of Japan (during the feudal era)
玄関【げんかん】
entrance, front door, entryway, entranceway, entry hall, vestibule, porch, foyer, mud room
関与【かんよ】
participation, taking part in, participating in, being concerned in
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
関節【かんせつ】
joint (knee, elbow, etc.)
難関【なんかん】
barrier, obstacle, difficulty, hurdle, deadlock
無関係【むかんけい】
unrelated
無関心【むかんしん】
apathetic, indifferent, nonchalant, callous
交通機関【こうつうきかん】
(means of) transportation, transport, transportation facilities, transportation system, transit system
機関銃【きかんじゅう】
machine gun
関門【かんもん】
barrier, checkpoint, gateway, hurdle, obstacle, trial
機関車【きかんしゃ】
locomotive, engine
相関【そうかん】
correlation, interrelation
関する【かんする】
to concern, to be related