List: noun (common) (futsuumeishi)

popular  search-only kanji form  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• paying back a favour, repayment (of an obligation, kindness, etc.)

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

• solid (body), solid matter, solid-state

popular  search-only kanji form  noun  noun (generic) 

• New Year's gift (usu. money given to a child by relatives and visitors)

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

• word, term
• language
• speech

popular  JLPT N2  noun  noun (generic) 

• mineral

popular  rarely used kanji form  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb  engineering 

• surrender, capitulation, submission
• yield

popular  JLPT N1  noun  noun (generic) 

• (written) application, written request, petition
• written prayer for a shrine or Buddhist temple

popular  JLPT N4  noun  noun (generic) 

• train (esp. a long-distance train)
• steam train

popular  noun  noun (generic) 

• seasonal word (in haiku)

popular  search-only kanji form  JLPT N1  noun  noun (generic) 

• money, currency, coin