List: adjective (generic)

popular  な adjective  adjective (generic)  noun  noun (generic) 

• adult
• adult, pornographic, explicit

popular  noun or verb acting prenominally  adjective (generic)  noun  noun (generic)  abbreviation  colloquial 

• upper, upward
• upper (of a shoe)
• uppercut
• upper (drug), stimulant

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

• atopic, predisposition toward allergies
• atopic dermatitis

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

• ad lib, ad-lib

gairaigo  English origin  popular  な adjective  adjective (generic) 

• approximate (number), rough (calculation)
• sloppy, lackadaisical, crude

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

• amoeba

popular  noun  noun (generic)  noun or verb acting prenominally  adjective (generic)  abbreviation 

• American
• American-style (weak) drip coffee

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

• arcadia

popular  abbreviation  noun or verb acting prenominally  adjective (generic) 

• underground (film, theater, etc.), unconventional, alternative, experimental, radical
• underground (economy, press, etc.), unofficial, illegal, black (money), shady, of unknown origin

popular  noun or verb acting prenominally  adjective (generic)  photography  noun  noun (generic)  abbreviation  sports 

• under
• underexposure, underdevelopment
• under par