List: Youtube

Wordnoun  noun (generic)  chemistry 

• (employee) retention rate
• fixation rate

Wordnoun  noun (generic) 

• student waiting for another chance to enter university after having failed the yearly entrance examination

Wordpopular  JLPT N1  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• main cause, primary factor

Wordpopular  JLPT N2  noun  noun (generic) 

• speaker, lecturer
• lecturer (at a university or college), instructor
• part-time teacher
• tutor (at a cram school)

Wordpopular  search-only kanji form  JLPT N2  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• (audio) recording

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

• shorter way, shortcut

Wordpopular  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• total destruction by fire, being burned down

Wordpopular  JLPT N1  usually written using kana alone  な adjective  adjective (generic)  noun (suffix)  noun (generic)  archaic  noun 

• better, preferable, less objectionable, least-worst
• more, increase, extra
• increase, growth

Wordnoun  noun (generic) 

• shooting spree, shooting rampage, mass shooting

Wordnoun  noun (generic) 

• loyalty, allegiance, fidelity