List: noun (common) (futsuumeishi)

popular  noun  noun (generic) 

• (practical) business, business practice, business affairs, (actual) work

popular  JLPT N1  noun  noun (generic) 

• lawn, sod, turf

popular  JLPT N1  noun  noun (generic)  honorific language 

• protagonist, main character, hero, heroine
• head (of a household), proprietor (of a store)

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

• (the) mainstream
• main course (of a river), main stream

popular  な adjective  adjective (generic)  noun  noun (generic) 

• flippant, frivolous, shallow

popular  noun  noun (generic) 

• stretching
• sidestroke (swimming)

popular  search-only kanji form  noun  noun (generic)  physics 

• growth rate
• elongation percentage

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

• new work, new production, new composition, new creation, new title

popular  noun  noun (generic) 

• number of persons, personnel

popular  noun  noun (generic) 

• spirit, sprite, nymph
• energy, vigor (vigour), strength
• fine details
• semen