'Word' in the Bible

Not however as though the word of God had failed; for not all are Israel which are of Israel;

For this word is of promise, According to this time I will come, and there shall be a son to Sarah.

But what says it? The word is near thee, in thy mouth and in thy heart: that is, the word of faith, which we preach:

So faith then is by a report, but the report by God's word.

For, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not lust; and if there be any other commandment, it is summed up in this word, namely, Thou shalt love thy neighbour as thyself.

For I will not dare to speak anything of the things which Christ has not wrought by me, for the obedience of the nations, by word and deed,