List: popular word

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

• absolute secrecy

popular  JLPT N4  い adjective  adjective (generic) 

• bitter

popular  JLPT N3  noun  noun (generic) 

• pain, agony, suffering, distress, torment

popular  JLPT N1  noun  noun (generic)  noun (suffix)  mathematics 

• group, bunch, crowd, throng, swarm, band, herd, school (of fish)
• group

popular  JLPT N2  noun  noun (generic) 

• group, crowd, flock, herd, bevy, school, swarm, cluster (e.g. of stars), clump, pack (e.g. of dogs)

popular  JLPT N1  noun  noun (generic)  usually written using kana alone  food, cooking 

• ending, conclusion
• join, union, connecting
• knot, knotting
• onigiri, rice ball

popular  noun  noun (generic) 

• kendo, Japanese martial art using bamboo swords

popular  JLPT N3  suru verb  verb (generic)  transitive verb 

• to love

popular  JLPT N3  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• handshake
• reconciliation, joining hands, cooperation

popular  JLPT N2  noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb  computing 

• compression
• condensing, shortening, summarizing
• compression (of data)