Deuteronomy 2:11 clarifies that the Emim are considered Rephaim, giving background to the people mentioned in 2:10.

Deuteronomy 2:21 uses the exact same phrase 'great and many, tall as the Anakim' for the Zamzummim, showing a parallel description.

Numbers 13:28 reports descendants of Anak, the same giant people to whom the Emim are compared here.

Numbers 13:33 describes the Nephilim/Anakim as giants, reinforcing the comparison of Emim to Anakim in this verse.