ジ - Wiktionary, the free dictionary The katakana syllabary is used primarily for transcription of foreign language words into Japanese and the writing of gairaigo (loan words), as well as to represent onomatopoeias, technical and scientific terms, and the names of plants, animals, and minerals It is also occasionally used in some words for emphasis, or to ease reading; katakana may be preferred for words becoming buried in the
What are the differences between じ and ぢ, and ず and づ? 4 With the writing reform almost most instances of the old ぢ ・ ヂ and づ ・ ヅ have been replaced with the homophonic じ ・ ジ and ず ・ ズ with the following exceptions: ぢ ・ ヂ and づ ・ ヅ are still used in words containing a voiced repeated ち or つ (i e one that could be written with a voiced iteration mark ゞ), e g