If you have a Strong's concordance, or any Bible software (which usually includes Strong's), you can confirm that their facts are correct, in that the references cited do indeed use the given Hebrew (or Greek, in the case of John). Is that what you were asking?

Meta4

There is no such thing as preaching Christ and Him crucified, unless we preach what nowadays is called Calvinism. It is a nickname to call it Calvinism; Calvinism is the gospel, and nothing else. - C.H. Spurgeon