機構【きこう】
mechanism, machinery, system, structure, organization, framework
機関【きかん】
engine, agency, organisation, organization, institution, organ, body, system, facility, facilities
機能【きのう】
function, facility, faculty, feature
危機【きき】
crisis, critical situation, emergency, pinch
機会【きかい】
chance, opportunity, occasion
航空機【こうくうき】
aircraft
機械【きかい】
machine, mechanism, instrument, appliance, apparatus
飛行機【ひこうき】
airplane, aeroplane, plane, aircraft
動機【どうき】
motive, incentive, motif
契機【けいき】
opportunity, chance, trigger, cause
投機【とうき】
speculation, venture, stockjobbing, gambling (on stocks)
機体【きたい】
fuselage, airframe
機長【きちょう】
captain (of an aircraft)
報道機関【ほうどうきかん】
information media, press, news organs
機動隊【きどうたい】
riot police, riot squad
機密【きみつ】
secrecy, highly classified information
洗濯機【せんたくき】
washing machine, (clothes) washer
旅客機【りょかくき】
passenger plane
待機【たいき】
standing by, awaiting an opportunity, being on alert, quarantine
機嫌【きげん】
humour, humor, temper, mood, spirits, safety, health, well-being, one's situation, in a good mood, in high spirits, happy, cheery, merry, chipper