Naive
Noun and な adjective
そぼく
みなさんの素朴な疑問にお答えします。
I responded to everyone’s naive questions.
People made from simple elements are also pretty simple. And they can be naive too. But that's just how they're built.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.