List: noun (common) (futsuumeishi)

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

• riddle, puzzle, enigma, mystery
• enigmatic, mysterious

popular  noun  noun (generic) 

• barrier, obstacle, difficulty, hurdle, deadlock

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

• loss, forfeit

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

• hypothesis, supposition, assumption, expectation, anticipation

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

• large quantity, large amount

popular  JLPT N3  noun  noun (generic) 

• body temperature

popular  JLPT N1  noun  noun (generic) 

• large amount of money, great cost

popular  JLPT N3  noun  noun (generic)  noun (suffix)  counter 

• title, subject, theme, topic
• problem (on a test), question
• counter for questions (on a test)

popular  JLPT N3  noun  noun (generic) 

• word, vocabulary

popular  JLPT N4  noun  noun (generic) 

• (finger) ring