List: noun (common) (futsuumeishi)

popular  JLPT N4  noun  noun (generic)  astronomy 

• wall, partition
• barrier, obstacle, hindrance, difficulty
• Chinese "Wall" constellation (one of the 28 mansions)

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

• composition, formation, organization, organisation, compilation

popular  noun  noun (generic) 

• lawyer, attorney

popular  JLPT N1  noun  noun (generic) 

• insurance
• guarantee, warranty

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

• maintenance
• conservatism, conservativeness, conservation

popular  JLPT N3  noun  noun (generic) 

• mother

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

• collapse, crumbling, breaking down, caving in
• (radioactive) decay, disintegration

popular  noun  noun (generic) 

• corporation, corporate body, company, legal entity, legal person, juridical person

popular  JLPT N4  noun  noun (generic) 

• law

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

• prevention, check