List: noun (common) (futsuumeishi)

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 

• homecoming, returning home

popular  noun  noun (generic) 

• (train) station attendant, station employee, station staff

popular  JLPT N3  noun  noun (generic) 

• favour, favor, obligation, debt of gratitude
• kindness, benevolence

popular  noun  noun (generic) 

• hundreds

popular  JLPT N2  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• origin, beginning, genesis
• primeval, primordial, primitive

popular  JLPT N5  noun  noun (generic)  physics  noun or verb acting prenominally  adjective (generic) 

• police box, koban, small neighborhood police station
• alternation
• alternating (current, stress, etc.)

popular  JLPT N2  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• the public, general public