List: Learned

Wordpopular  gikun or jukujikun  rarely used kanji form  search-only kanji form  usually written using kana alone  noun  noun (generic) 

• crayfish (esp. the Japanese crayfish or red swamp crayfish), crawfish

Wordpopular  JLPT N2  expression  usually written using kana alone 

• first, firstly, first of all, to begin with, in the beginning, at the beginning
• Introduction, Preface

Wordmedicine  noun  noun (generic) 

• sudden death, unexpected death

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

• mutation

Wordexpression 

• somewhat sudden

Wordpopular  noun  noun (generic)  な adjective  adjective (generic) 

• greatness, excellence, magnificence

Wordpopular  numeric 

• one

Wordpopular  JLPT N1  Ichidan verb  verb (generic)  transitive verb 

• to be based on, to take into account, to build upon, to have origin in
• to have one's feet firmly planted on, to plant oneself on

Wordpopular  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb  noun taking the genitive case particle の  adjective (generic) 

• fiction, fabrication, concoction

Wordpopular  noun  noun (generic) 

• nihility, nothingness