List: noun (common) (futsuumeishi)

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

• holding (a conference, exhibition, etc.), opening, hosting (e.g. the Olympics)

popular  JLPT N3  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb  intransitive verb 

• start, commencement, beginning, initiation

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

• opening (a door, window, etc.), leaving open
• opening up (e.g. to the public), allowing (public) access

popular  obsolete reading  JLPT N5  noun  noun (generic) 

• outside, exterior
• the open (air)
• other place, somewhere else, outside one's group (family, company, etc.)

popular  JLPT N1  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  physics  biology  meteorology  astronomy  chemistry  mathematics 

• stone (of a fruit), pit, pip
• core (of an organization, team, etc.), nucleus, heart
• nuclear weapons
• nucleus (of an atom)
• nucleus (of a cell)
• condensation nucleus
• (planetary) core
• ring (in a cyclic compound)
• kernel, core
• nucleus (of a cultured pearl)

popular  noun  noun (generic) 

• nuclear weapon

popular  JLPT N3  な adjective  adjective (generic)  noun  noun (generic) 

• certain, sure, definite, reliable, sound, solid, safe, secure

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

• securing, obtaining, ensuring, guarantee, maintaining
• belay, belaying

popular  JLPT N1  noun  noun (generic) 

• revolution
• 58th year of the sexagenary cycle (in Onmyōdō)

popular  JLPT N2  noun  noun (generic) 

• faculty (of a university), school, college, department