Η λέξη νίντζα στα γιαπωνέζικα κάντζι. This how the word ninja is written in japanese.
忍者 in kanji or
忍び in kanji and hiragana
しのび and hiragana
As you can you see the second word is a combination of kanji with hiragana.
忍者 in kanji or
忍び in kanji and hiragana
しのび and hiragana
As you can you see the second word is a combination of kanji with hiragana.