them: i.e. the people of Judah.
wickedness. Hebrew. ra'a'. App-44.
forsaken Me. Reference to Pentateuch (Deuteronomy 28:20). App-92.
burned incense. Hebrew. katar. See App-43. This includes the burnt offering and parts of the gift offering.
works. Some codices, with one early printed edition, Syriac, and Vulgate, read "work" (singular)