List: Learned

Wordpopular  rarely used kanji form  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• victory, triumph, win, conquest, success

Wordusually written using kana alone  adverb 

• absolutely, completely, utterly, really, simply, only

Wordpopular  obsolete kanji  JLPT N3  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  abbreviation  noun (suffix)  noun (prefix)  colloquial 

• iron (Fe)
• steel
• iron (will, discipline, lady, etc.)
• railway
• railway enthusiast

Wordpopular  search-only kanji form  JLPT N3  noun  noun (generic)  slang  abbreviation  derogatory  noun (suffix)  food, cooking  counter 

• ball, sphere, globe, orb
• bead (of sweat, dew, etc.), drop, droplet
• ball (in sports), pitch (e.g. in baseball)
• pile (of noodles, etc.)
• bullet
• bulb (i.e. a light bulb)
• lens (of glasses, etc.)
• bead (of an abacus)
• ball (i.e. a testicle)
• gem, jewel (esp. spherical; sometimes used figuratively), pearl
• female entertainer (e.g. a geisha)
• person (when commenting on their nature), character
• item, funds or person used as part of a plot
• egg
• okonomiyaki
• coin
• precious, beautiful, excellent

Wordexpression 

• in the name of justice

Wordexpression  noun  noun (generic) 

• champion of justice, knight in shining armor, crime avenger, hero, super hero

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

• proof, testimony, demonstration, verification, certification

Wordpopular  JLPT N1  noun  noun (generic)  abbreviation 

• hero, heroine, great person
• Eroica Symphony (Beethoven, 1804)
• Heroic Polonaise (Chopin)

Wordpopular  JLPT N1  godan verb  godan verb (archaic)  verb (generic)  transitive verb 

• to go through, to pierce, to penetrate
• to run through (e.g. a river through a city), to pass through
• to stick to (opinion, principles, etc.), to carry out, to persist with, to keep (e.g. faith), to maintain (e.g. independence)

Wordpopular  irregular reading  JLPT N1  godan verb  godan verb (archaic)  verb (generic)  intransitive verb 

• to approach, to draw near, to get close
• to get acquainted with, to get closer to, to get to know