| 困難 | こんなん | difficulty; hardship; trouble; distress | n2 |
| 有難い | ありがたい | grateful; thankful; welcome; appreciated | n2 |
| 難しい | むずかしい | difficult; hard; troublesome; complicated | n5 |
| 非難 | ひなん | criticism; blame; censure; attack | n2 |
| 避難 | ひなん | taking refuge; finding shelter; evacuation; escape | n3 |
| 難い | かたい | difficult; hard | n1 |
| 災難 | さいなん | calamity; misfortune; disaster | n1 |
| 難 | なん | difficulty; trouble; hardship; shortage | n2 |
| 難儀 | なんぎ | troublesome (person, task, etc.); difficult; suffering; hardship | |
| 難易度 | なんいど | degree of difficulty; difficulty level | |
| 難波 | なにわ | Naniwa (former name for Osaka region) | |
| 難解 | なんかい | difficult to understand; unintelligible; abstruse | n1 |
| 無難 | ぶなん | safe (e.g. choice); secure; innocuous; inoffensive | n1 |
| 苦難 | くなん | suffering; distress; hardship; trial | n2 |
| 艱難 | かんなん | hardships; privations; difficulties | |
| 難題 | なんだい | difficult problem; challenge | |
| 批難 | ひなん | criticism; blame; censure; attack | n3 |
| 遭難 | そうなん | (meeting with) disaster; (having an) accident; mishap; shipwreck | |
| 難なく | なんなく | easily | |
| 至難 | しなん | most difficult; next to impossible | |
| 難渋 | なんじゅう | suffering; distress; difficulty; hardship | |
| 難関 | なんかん | barrier; obstacle; difficulty; hurdle | n1 |
| 危難 | きなん | peril; danger; hazard; distress | |
| 盗難 | とうなん | theft; robbery | n2 |
| 有り難い | ありがたい | grateful; thankful; welcome; appreciated | n2 |
| 堪え難い | たえがたい | unbearable; intolerable; unendurable | |
| 得難い | えがたい | hard to get; hard to come by | n2 |
| 難破 | なんぱ | shipwreck | |
| 難事 | なんじ | difficulty | |
| 難所 | なんしょ | perilous pass (on a route or journey); rough spot | |
| 受難 | じゅなん | sufferings; ordeals; agony; Passion (of Christ) | |
| 難物 | なんぶつ | hard problem; person hard to please; hard nut to crack | |
| 有難がる | ありがたがる | to be thankful; to feel grateful; to show one's gratitude | |
| 難癖 | なんくせ | fault | |
| 大難 | だいなん | great disaster; calamity | |
| 難問 | なんもん | perplexity; difficult question; difficult problem | |
| 多難 | たなん | full of troubles, difficulties | |
| 難問題 | なんもんだい | difficult problem or question | |
| 難船 | なんせん | shipwreck | |
| 難点 | なんてん | fault; weakness; flaw; defect | n1 |
| 難病 | なんびょう | serious disease; intractable disease; difficult-to-recover-from illness | |
| 国難 | こくなん | national crisis; national disaster | |
| 難局 | なんきょく | difficult situation | n2 |
| 耐え難い | たえがたい | unbearable; intolerable; unendurable | |
| 難民 | なんみん | refugee; displaced person; person inconvenienced by (lack of something, etc.); person unable to satisfactorily (marry, shop, etc.) | |
| 難産 | なんざん | difficult delivery; difficult childbirth; dystocia | |
| 有難味 | ありがたみ | value; worth; virtue; blessing | n1 |
| 艱難辛苦 | かんなんしんく | trial and tribulation; hardships; privations; difficulties | |
| 難路 | なんろ | rough or steep path | |
| 難ずる | なんずる | to criticize; to point out faults; to speak ill of | |
| 万難 | ばんなん | many obstacles; innumerable difficulties | |
| 論難 | ろんなん | criticism; censure | |
| 難行苦行 | なんぎょうくぎょう | penance; hardship | |
| 難易 | なんい | (relative) difficulty | |
| 難航 | なんこう | difficult voyage; stormy passage; hard flight; rough going | n1 |
| 有難迷惑 | ありがためいわく | unwelcome favor; unwelcome favour; misplaced kindness | |
| 後難 | こうなん | future problems; consequences | |
| 度し難い | どしがたい | beyond help; past salvation; incorrigible; irredeemable | |
| 女難 | じょなん | (romantic) trouble with women; calamities brought upon a man by a woman | |
| 一難 | いちなん | one difficulty; one danger | |
| 避難所 | ひなんじょ | shelter; safe shelter; evacuation shelter; place of refuge | |
| 御難 | ごなん | misfortune; calamity | |
| 気難しい | きむずかしい | hard to please; difficult; particular; fussy | |
| 難しさ | むずかしさ | (degree of) difficulty | |
| 難事件 | なんじけん | difficult case | |
| 難度 | なんど | degree of difficulty | n5 |
| 難行 | なんぎょう | penance | |
| 難詰 | なんきつ | reprimand | |
| 険難 | けんのん | risky; dangerous; insecure | |
| 難聴 | なんちょう | hardness of hearing; bradyacusia; deafness; hearing loss | |
| 水難 | すいなん | drowning; flood; shipwreck | |
| 難攻不落 | なんこうふらく | impregnable | |
| 剣難 | けんなん | (calamity of) perishing by the sword; being wounded by the sword | |
| 火難 | かなん | fire disaster | |
| 難場 | なんば | predicament; difficult situation | |
| 難色 | なんしょく | disapproval; reluctance; unwillingness | |
| 食糧難 | しょくりょうなん | food shortage; food scarcity; difficulty of obtaining food | |
| 厄難 | やくなん | calamity; evil; misfortune | |
| 小難 | しょうなん | small misfortune | |
| 殉難 | じゅんなん | martyrdom | |
| 海難 | かいなん | accident at sea; sea disaster; shipwreck | |
| 救難 | きゅうなん | rescue; salvage | |
| 難役 | なんやく | difficult role | |
| 弁難 | べんなん | denunciation; criticism | |
| 難症 | なんしょう | incurable illness | |
| 難読 | なんどく | difficult to read (kanji, name, etc.); having difficult-to-read kanji | |
| 七難 | しちなん | the Seven Misfortunes; great number of faults or defects | |
| 難治 | なんじ | intractable (diseases); hard to cure; rebellious; insurgent | |
| 有難涙 | ありがたなみだ | tears of gratitude | |
| 財政難 | ざいせいなん | economic difficulties; financial difficulties; fiscal difficulties | |
| 法難 | ほうなん | religious persecution | |
| 難曲 | なんきょく | difficult piece (of music) | n2 |
| 難くせ | かたくせ | fault-finding | |
| 多事多難 | たじたなん | various difficulties | |
| 有難み | ありがたみ | value; worth; virtue; blessing | n1 |
| 難件 | なんけん | difficult matter or case | |
| 嶮難 | けんなん | steep; dangerous | |
| 避難民 | ひなんみん | evacuees; displaced persons; refugees | |
| 難句 | なんく | difficult phrase | |
| 難関大 | なんかんだい | highly selective university; university with high entry requirements; elite university | |