popular  JLPT N5  noun  noun (generic)  derogatory  usually written using kana alone  noun (prefix) 

• dog (Canis (lupus) familiaris)
• squealer, rat, snitch, informer, informant, spy
• loser, asshole
• counterfeit, inferior, useless, wasteful

popular  children's language  usually written using kana alone  noun  noun (generic) 

• dog, doggy, bow-wow

gairaigo  Portuguese origin  derogatory  noun  noun (generic)  hanafuda 

• bitch, witch, ugly woman, dog
• 1-point card, junk card

onomatopoeic or mimetic word  adverb taking the と particle  adverb  children's language  noun  noun (generic) 

• bow-wow, woof, arf, barking
• wah-wah, bawling, wailing
• clamouring, clamoring, echoing, loudly
• dog, doggy, bow-wow

noun  noun (generic) 

• dog
• andiron

colloquial  noun  noun (generic) 

• dog

popular  JLPT N5  noun  noun (generic) 

• road, path, street, lane, passage
• route, way
• distance, journey
• road (e.g. to victory), course
• way (of living, proper conduct, etc.), moral principles
• teachings (esp. Confucian or Buddhist), dogma
• field (e.g. of medicine), subject, speciality
• means, way, method

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

• back, rear
• background, backdrop
• backing, support, backer, supporter
• going backwards, reversing, backing up
• reverse (gear)
• refunding, returning (e.g. profits)
• back (player)
• backstroke (swimming)
• backhand
• doggy style (sexual position)

JLPT N1  い adjective  adjective (generic) 

• tenacious, tough, enduring, dogged, headstrong, stubborn, obstinate, unyielding

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

• one's own judgement (judgment), decision made without consulting others, arbitrary decision
• dogmatism