Denshi Jisho — Online Japanese dictionary

南寄り なんより southerly (wind); from the south
Noun 
何らか なんらか some; any; in any way; of some kind; of some sort
Adverb, No-adjective 
何等か なんらか some; any; in any way; of some kind; of some sort
Adverb, No-adjective 
ナンセンス nonsense
Common word, Na-adjective, Noun 
なんでよっ Why?; Why not?; What for?; What's wrong?
Adverb 
なんでよつ Why?; Why not?; What for?; What's wrong?
Adverb 
ナンプラー nam pla; nam plaa; num pla; Thai fish sauce
Noun, tha: 
南極 なんきょく 1: South Pole;
2: the Antarctic; Antarctica
Common word, Noun, No-adjective 
なんきょく difficult situation
Common word, Noun 
なんしょく disapproval
Common word, Noun 
軟弱 なんじゃく weakness
Common word, Na-adjective, Noun 
何十 なんじゅう several tens
Common word, Noun 
なんちょう deafness
Common word, Noun, No-adjective 
何百 なんびゃく hundreds
Common word, Noun 
なんびょう incurable disease
Common word, Noun 
軟球 なんきゅう soft ball; rubber ball
Noun 
なんきゅう (baseball) ball which is hard to hit or catch
Noun 
なんきょく difficult musical piece
Noun 
なんぎょう penance
Noun 
軟玉 なんぎょく nephrite
Noun 
なんしょう incurable illness
Noun 
男色 なんしょく sodomy; male homosexuality
Noun 
なんじゅう retardation
Na-adjective, Noun 
何条 なんじょう 1: what street? (esp. in Kyoto and Sapporo);
2: what article? (in a law);
3: (Archaism) how can?; cannot possibly; there is no way
Adverb 
軟条 なんじょう soft ray (of a fin)
Noun 
南中 なんちゅう crossing the meridian
Noun, Suru verb 

Found 466 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16, 17, 18

You can also

Look up kanji details for 難 なん.

Try a Yahoo Jisho search for 難 なん .
Try a Goo Jisho search for 難 なん .
Try a Google search for 難 なん .