環境【かんきょう】
environment, circumstance
国境【こっきょう】
border (between countries), national border
心境【しんきょう】
state of mind, mental state, mental attitude
境界【きょうかい】
boundary, border, limit, bounds, frontier
苦境【くきょう】
difficult situation, adverse circumstances, predicament, trouble, dilemma, distress
境内【けいだい】
grounds (esp. of shrines and temples), compound, churchyard, precincts
越境【えっきょう】
crossing a border (illegally), border violation, border transgression
境遇【きょうぐう】
one's circumstances, environment, situation (in life)
逆境【ぎゃっきょう】
adverse circumstances, unfortunate situation, adversity
境目【さかいめ】
borderline, boundary
佳境【かきょう】
most interesting part (of a story), climax, good part, scenic spot, beautiful place