List: noun (common) (futsuumeishi)

popular  JLPT N2  noun  noun (generic) 

• wick, marrow, staple (for stapler), (pencil) lead, stuffing, pith
• core, heart, centre, center
• pistil (of a flower)
• stamen

popular  noun  noun (generic) 

• vacuum cleaner, vacuum, hoover
• cleaning device

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

• treason, treachery, mutiny, rebellion, insurrection

popular  noun  noun (generic) 

• journal, log

popular  JLPT N1  noun  noun (generic) 

• farming, agriculture, cultivation

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

• tearing up and discarding (e.g. documents), destruction
• annulment, cancellation, abrogation, voiding, breaking (e.g. a treaty)
• reversal (of an original ruling on appeal), quashing

popular  noun  noun (generic) 

• pigeon, dove

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

• sunburn, suntan, tan
• becoming discolored from the sun (e.g. of paper), yellowing
• drying up (of a river, field, etc.)

popular  rarely used kanji form  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• overfishing, overhunting, indiscriminate fishing, indiscriminate hunting

popular  noun  noun (generic) 

• food poisoning