The KJV translates the word "giant" from H5303-nephı̂yl and from H4794-râphâ'.
According to Strong's, H5303-nephı̂yl means a feller, that is, a bully or tyrant. BUT it says it is from H5307-nâphal, which means to fall. And in Num 13:33 it is referring to them as giant like, in their own...