List: noun (common) (futsuumeishi)

popular  noun  noun (generic) 

• (female) nurse

popular  noun  noun (generic) 

• liver, innards
• courage, spirit, pluck, guts
• crux, essential point, key

popular  JLPT N3  noun  noun (generic) 

• spectator, audience

popular  JLPT N2  noun  noun (generic) 

• principle, theory, fundamental truth

popular  JLPT N1  noun  noun (generic) 

• source (of a river), fountainhead
• source, origin, root

popular  JLPT N3  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• limit, bound

popular  JLPT N1  noun  noun (generic) 

• individuality, personality, quirk, idiosyncrasy, character, individual characteristic

popular  JLPT N3  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• each other, one another

popular  JLPT N2  noun  noun (generic) 

• pollution, public nuisance, contamination

popular  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb  noun taking the genitive case particle の  adjective (generic) 

• official recognition, official approval, certification, authorization, authorisation