Numbers 32:14 uses nearly identical language about 'increasing the fierce anger of the Lord' and 'adding to sins', warning against repeating past guilt.

Matthew 23:32 uses the same 'fill up the measure' concept—Jesus ironically tells Pharisees to complete their fathers' sins, opposite of the leaders' plea to avoid adding guilt.

In Ezra 10:10, Ezra says 'increase the trespass of Israel' — nearly identical language to 'add more to our sins and trespass' here.

Hosea 13:2 says 'they sin more and more' — parallel to the warning against adding more sin, both describing escalating guilt.

In Romans 2:5, Paul describes treasuring up wrath by impenitence — directly parallel to the idea of adding to sins and storing fierce wrath here.

Joshua 22:17 warns that the iniquity of Peor was not enough, urging caution not to bring more wrath—same logic as the Ephraimite leaders.

Job 36:13 speaks of hypocrites heaping up wrath — similar to the accumulation of sin and wrath described here.

Joshua 22:18 continues the warning, stating rebellion today brings God's anger tomorrow—similar to the leaders' concern about adding to fierce wrath.