景気【けいき】
business conditions, the market, economic activity, economic climate, good (economic) times, prosperity, boom, liveliness, energy, vigour, vigor, spirit
人気【にんき】
popularity, public favor, condition (e.g. market), tone, character, nature
気持ち【きもち】
feeling, sensation, mood, state of mind, preparedness, readiness, attitude, thought, sentiment, consideration, solicitude, gratitude, slightly, a bit, a little
病気【びょうき】
illness (usu. excluding minor ailments, e.g. common cold), disease, sickness, bad habit, bad behaviour, weakness, failing, crazy, insane, disturbed, sick in the head
気分【きぶん】
feeling, mood
雰囲気【ふんいき】
atmosphere, mood, ambience, ambiance, aura, feel, a certain air, presence, special aura, something (about someone), (Earth's) atmosphere
空気【くうき】
air, atmosphere, mood, situation, someone with no presence, someone who doesn't stand out at all
気温【きおん】
air temperature
大気【たいき】
atmosphere, air, magnanimity, generosity
気象庁【きしょうちょう】
(Japanese) Meteorological Agency, JMA
気配【けはい】
indication, sign, hint, sensation, feeling, tone (of the market)
元気【げんき】
lively, full of spirit, energetic, vigorous, vital, spirited, healthy, well, fit, in good health
強気【つよき】
confident, assured, self-assured, firm, strong, cocksure, bullish (e.g. market)
気象【きしょう】
weather (conditions), disposition, temperament
天気【てんき】
weather, fair weather, fine weather
勇気【ゆうき】
courage, bravery, valour, valor, nerve, boldness
気味【きみ】
sensation, feeling, tendency, propensity
気候【きこう】
climate
熱気【ねっき】
heat, hot air, enthusiasm, excitement, fervour, fervor, heated atmosphere, fever
本気【ほんき】
seriousness, earnestness, truth, sanctity