List: noun (common) (futsuumeishi)

popular  JLPT N1  noun  noun (generic)  colloquial 

• believer, adherent, devotee, follower
• fanboy, fanatic, superfan

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

• oscillation, vibration, swing (e.g. of a pendulum)

popular  search-only kanji form  JLPT N2  な adjective  adjective (generic)  noun  noun (generic) 

• pitch-dark, pitch-black, completely dark
• very bleak (future), utterly hopeless

popular  search-only kanji form  noun  noun (generic) 

• relatives, one's family
• friends, members of the same organization
• followers, henchmen
• one's whole body

popular  JLPT N2  noun  noun (generic) 

• hydrogen (H)

popular  JLPT N2  noun  noun (generic) 

• water, liquid, fluid, moisture, humidity, sap, juice

popular  JLPT N2  noun  noun (generic) 

• Japanese cedar (Cryptomeria japonica)

popular  noun  noun (generic) 

• ecology, life and habits (of an animal)
• mode of life, way of living

popular  JLPT N2  noun  noun (generic) 

• customs, customs house

popular  JLPT N3  noun  noun (generic) 

• tongue
• tongue-like object, clapper (of a bell), talon (of a lock), reed (of a musical instrument)