List: noun (common) (futsuumeishi)

popular  JLPT N4  noun  noun (generic)  adverb 

• lunch break, noon recess, noon rest period

popular  JLPT N1  noun  noun (generic) 

• butterfly

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

• price decline, fall in price

popular  search-only kanji form  food, cooking  noun  noun (generic) 

• tsukemono (pickled vegetables)

popular  JLPT N1  noun  noun (generic) 

• pipe, tube, cylinder
• gun barrel
• gun, cannon
• well lining, well curb

popular  noun  noun (generic) 

• disturbance, upheaval, unrest, war, riot

popular  rarely used kanji form  search-only kanji form  JLPT N2  noun  noun (generic) 

• pupil (of the eye)
• one's eyes

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

• changing (job, career, lifestyle, social position, beliefs, etc.)

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

• resale

popular  noun  noun (generic) 

• chit, slip, ticket, voucher