Only with Kanji. Many share the same meaning, and onyomi reading often sounds a little bit like modern mandarin, but the kunyomi readings are exclusively Japanese and you'll have to memorize those separately (Wanikani was helpful for me in this).
For grammar you are out of luck. Japanese is a much more grammar heavy language than Chinese, typically much more complex.
For grammar you are out of luck. Japanese is a much more grammar heavy language than Chinese, typically much more complex.