難民【なんみん】
refugee, displaced person, person inconvenienced by (lack of something, etc.), person unable to satisfactorily (marry, shop, etc.), person who is stuck (in a place or situation)
困難【こんなん】
difficulty, hardship, trouble, distress, infeasibility, inability (to carry out)
避難【ひなん】
taking refuge, finding shelter, evacuation, escape, seeking safe haven
非難【ひなん】
criticism, blame, censure, attack, reproach
難しい【むずかしい】
difficult, hard, troublesome, complicated, serious (disease, problem, etc.), impossible, unfeasible, fussy, particular, fastidious, hard to please, displeased, gloomy, glum, sullen, serious (look), dirty, unclean, filthy, detestable, unpleasant, uncomfortable, creepy, spooky
難問【なんもん】
perplexity, difficult question, difficult problem
難航【なんこう】
difficult voyage, stormy passage, hard flight, rough going, running into trouble, proceeding with difficulty, rough passage
難病【なんびょう】
incurable disease
盗難【とうなん】
theft, robbery
難題【なんだい】
difficult problem, challenge
難関【なんかん】
barrier, obstacle, difficulty, hurdle, deadlock
無難【ぶなん】
safe (e.g. choice), secure, innocuous, inoffensive, acceptable, passable, satisfactory, adequate, faultless, without flaw
遭難【そうなん】
disaster, accident, shipwreck, distress
難点【なんてん】
fault, weakness, flaw, defect, drawback, disadvantage, crux (of a matter), difficult point, point of contention
難解【なんかい】
difficult to understand, unintelligible, abstruse
海難【かいなん】
accident at sea, sea disaster, shipwreck
災難【さいなん】
calamity, misfortune, disaster
難易【なんい】
(relative) difficulty
殉難【じゅんなん】
martyrdom
気難しい【きむずかしい】
hard to please, difficult, particular, fussy, choosy, picky, fastidious, bad-tempered, in a bad mood, displeased, sullen, crabby, cranky, grumpy