What are the groanings that cannot be uttered?

In Romans 8:26, Paul said “the Spirit himself intercedes for us with groanings too deep for words” when we don’t know how to pray as we ought. What, precisely, are these groanings that Paul speaks of? The most common Pentecostal interpretation is that Paul was referring to praying in tongues (see 1 Corinthians 14:14-15). I […]