Anakim in the Bible

Numbers 13:28-33 Nevertheless the people be strong that dwell in the land, and the cities are walled, and very great: and moreover we saw the children of Anak there. 29 The Amalekites dwell in the land of the south: and the Hittites, and the Jebusites, and the Amorites, dwell in the mountains: and the Canaanites dwell by the sea, and by the coast of Jordan. 30 And Caleb stilled the people before Moses, and said, Let us go up at once, and possess it; for we are well able to overcome it. 31 But the men that went up with him said, We be not able to go up against the people; for they are stronger than we. ...
Deuteronomy 1:28 Whither shall we go up? our brethren have discouraged our heart, saying, The people is greater and taller than we; the cities are great and walled up to heaven; and moreover we have seen the sons of the Anakims there.
Deuteronomy 2:10 The Emims dwelt therein in times past, a people great, and many, and tall, as the Anakims;
Deuteronomy 9:2 A people great and tall, the children of the Anakims, whom thou knowest, and of whom thou hast heard say, Who can stand before the children of Anak!

Joshua 11:21-22 And at that time came Joshua, and cut off the Anakims from the mountains, from Hebron, from Debir, from Anab, and from all the mountains of Judah, and from all the mountains of Israel: Joshua destroyed them utterly with their cities. 22 There was none of the Anakims left in the land of the children of Israel: only in Gaza, in Gath, and in Ashdod, there remained.

Joshua 14:12 Now therefore give me this mountain, whereof the LORD spake in that day; for thou heardest in that day how the Anakims were there, and that the cities were great and fenced: if so be the LORD will be with me, then I shall be able to drive them out, as the LORD said.
Joshua 14:15 And the name of Hebron before was Kirjatharba; which Arba was a great man among the Anakims. And the land had rest from war.
Joshua 15:13-14 And unto Caleb the son of Jephunneh he gave a part among the children of Judah, according to the commandment of the LORD to Joshua, even the city of Arba the father of Anak, which city is Hebron. 14 And Caleb drove thence the three sons of Anak, Sheshai, and Ahiman, and Talmai, the children of Anak.
Judges 1:20 And they gave Hebron unto Caleb, as Moses said: and he expelled thence the three sons of Anak.