How do you say article in Japanese?
— 記事 (きじ, kiji), 論文 (ろんぶん, ronbun)

Generic synonyms for article in Japanese
piece部分 (ぶぶん, bubun); 一切れ (ひときれ, hitokire); 一片 (いっぺん, ippen); 切り身 (きりみ, kirimi)
Specialized synonyms for article in Japanese
paper紙 (かみ, kami)
Category relationships for article in Japanese
grammar文法 (ぶんぽう, bunpō)