List: noun (generic)

popular  JLPT N2  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  usually written using kana alone 

• purple, violet
• purple gromwell (Lithospermum erythrorhizon), red gromwell, red-root gromwell
• soy sauce

popular  JLPT N1  noun  noun (generic) 

• fat, grease, blubber, lard, suet

popular  noun  noun (generic) 

• dimension
• perspective, point of reference, level (of something)

popular  search-only kanji form  JLPT N5  noun  noun (generic)  archaic 

• dictionary, lexicon
• letter of resignation

popular  JLPT N2  noun  noun (generic) 

• low-lying part of a city (usu. containing shops, factories, etc.)
• Shitamachi (low-lying area of eastern Tokyo near Tokyo Bay, incl. Asakusa, Shitaya, Kanda, Fukugawa, Honjo, Nihonbashi, Kyobashi and surrounds)

popular  JLPT N4  noun  noun (generic) 

• fire, conflagration

popular  rarely used kanji form  JLPT N2  noun  noun (generic) 

• fireworks

popular  JLPT N2  noun  noun (generic) 

• course, curriculum

popular  JLPT N1  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• overwork, strain

popular  noun  noun (generic) 

• seawater, saltwater