List: noun (common) (futsuumeishi)

popular  noun  noun (generic) 

• steam whistle

popular  noun  noun (generic) 

• nihility, nothingness

popular  noun  noun (generic) 

• facing upward

popular  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb  dated term  abbreviation  hanafuda  archaic 

• close examination, careful investigation, close inspection, careful selection, inquiry, enquiry, scrutiny, testing
• investigation of a crime, inquiry into someone's guilt
• winner (of the most rounds, i.e. a full game)
• reciting and appreciating traditional poetry

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

• bitter smile, wry smile, forced smile, strained laugh

popular  noun  noun (generic) 

• moon viewing (esp. during the eight month of the lunar calendar)

popular  JLPT N2  noun  noun (generic)  な adjective  adjective (generic) 

• pure heart, naivete, innocence

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

• correlation, interrelation

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

• accumulation, pile, heap
• sedimentation

popular  JLPT N2  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• derailment
• digression, deviation