List: noun (common) (futsuumeishi)

popular  rarely used kanji form  JLPT N1  noun  noun (generic) 

• wages, pay
• rental payment

popular  JLPT N2  noun  noun (generic) 

• fixed number (of people), prescribed number (of regular personnel, students, etc.), quota, numerical limit, complement
• capacity (of a bus, boat, theatre, etc.), seating capacity

popular  JLPT N3  noun  noun (generic) 

• bottom, sole

popular  JLPT N3  な adjective  adjective (generic)  noun  noun (generic) 

• appropriate, suitable, fitting, apt, proper, right, pertinent, relevant

popular  JLPT N3  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• application (of a rule, law, method, etc.)

popular  obsolete kanji  JLPT N3  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  abbreviation  noun (suffix)  noun (prefix)  colloquial 

• iron (Fe)
• steel
• iron (will, discipline, lady, etc.)
• railway
• railway enthusiast

popular  rarely used kanji form  noun  noun (generic) 

• shop, store, establishment, restaurant

popular  JLPT N3  physics  noun  noun (generic)  noun or verb acting prenominally  adjective (generic) 

• electron
• electronic

popular  JLPT N5  noun  noun (generic) 

• train, electric train

popular  JLPT N3  noun  noun (generic) 

• earth, soil, dirt, clay, mud
• the earth (historically, esp. as opposed to the heavens), the ground, the land
• low-quality torinoko-gami (containing mud)
• (period of) refraining from construction in the direction of the god of the earth (in Onmyōdō)