'Word's' in the Bible

For thy word's sake, and according to thine own heart, hast thou done all these great things, to make thy servant know them.

And have no root in themselves, and so endure but for a time: afterward, when affliction or persecution ariseth for the word's sake, immediately they are offended.

as new-born babes the word's pure milk desire ye, that in it ye may grow,