popular  JLPT N5  noun  noun (generic)  counter  slang  mahjong  archaism  noun (prefix) 

• mountain, hill
• mine (e.g. coal mine)
• heap, pile
• crown (of a hat), thread (of a screw), tread (of a tire), protruding part of an object, high part
• climax, peak, critical point
• guess, speculation, gamble
• criminal case, crime
• mountain climbing, mountaineering
• festival float (esp. one mounted with a decorative halberd)
• deck (of playing cards on table, face down, from which cards are drawn), stack
• wall, wall tile
• temple, temple grounds
• wild

popular  JLPT N3  noun  noun (generic)  slang  noun (prefix)  な adjective  adjective (generic)  honorific language  archaism 

• god, deity, divinity, spirit, kami
• incredible, fantastic, amazing
• Emperor (of Japan)
• thunder

popular  JLPT N3  noun  noun (generic)  noun (suffix)  slang  archaism 

• hole, opening, perforation
• pit, hollow, hole (in the ground, etc.)
• burrow, den, lair, holt, hole
• deficit, shortage, missing person (in a team, meeting, etc.)
• vacancy, opening
• flaw
• well-kept secret place
• upset victory (with a large payoff)
• pit (of a theater)
• hiding place, hideout
• underbelly (of society, etc.)

popular  JLPT N4  noun  noun (generic)  slang  sumo 

• star (usu. not including the Sun), planet (usu. not including Earth), heavenly body
• star (glyph, symbol, shape)
• star (actor, player, etc.)
• small dot, spot, fleck
• star point (in go), hoshi, intersection marked with a dot
• perp, perpetrator, mark, offender, suspect
• bullseye
• one's star (that determines one's fate), one's fortune
• point, score

popular  JLPT N2  noun  noun (generic)  slang  な adjective  adjective (generic) 

• radio wave, reception, signal
• saying strange things

popular  JLPT N3  noun  noun (generic)  slang  abbreviation  derogatory  noun (suffix) 

• ball, sphere, globe, orb
• bead (of sweat, dew, etc.), drop, droplet
• ball (in sports)
• 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
• coin
• precious, beautiful, excellent

popular  JLPT N1  noun  noun (generic)  noun or participle taking the aux. verb する  biology  slang  abbreviation 

• fixing (in place), being fixed (in place), securing, anchoring, fastening down
• fixing (e.g. salary, capital), keeping the same
• fixation (histology)
• user name (on an online forum like 2ch where the majority of users post anonymously)
• user of an online handle (instead of posting anonymously)

popular  JLPT N3  noun  noun (generic)  astronomy  slang  prefix 

• ogre, demon, oni
• spirit of a deceased person
• ogre-like person (i.e. fierce, relentless, merciless, etc.)
• it (in a game of tag, hide-and-seek, etc.)
• Chinese "ghost" constellation (one of the 28 mansions)
• very, extremely, super-

popular  JLPT N2  noun  noun (generic)  abbreviation  slang 

• tray
• family, household
• O-Bon, Bon Festival, Lantern Festival, Festival of the Dead
• gambler's den

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

• firing (esp. a rocket or missile), launching, shooting, discharge, catapult
• ejaculation