'Faithfulness' in the Bible

“I will betroth you to Me in stability and in faithfulness.Then you will know (recognize, appreciate) the Lord [and respond with loving faithfulness].

Hear the word of the Lord, you children of Israel,For the Lord has a [legal] case with the inhabitants of the land,Because there is no faithfulness [no steadfast love, no dependability] or loyalty or kindnessOr knowledge of God [from personal experience with Him] in the land.