い, なま, う, は, き
The life radical and the life kanji are the same, so hopefully you now just know them both.
You can save life or take it away with your new saber (せい). This is the saber you got from doing the correct thing (remember?), and now you need to figure out how to use it with this life. So what do you do?
Currently there are no similar looking kanji which exist in the WaniKani learning system