'Swears' in the Bible

Or when a person swears, speaking thoughtlessly with [his] lips, to do evil or to do good {with regard to} anything that {the person} in a sworn oath speaks thoughtlessly, but {he is unaware of it}, he will be guilty {in any of} these.

or he finds lost property and lies about it and swears {falsely} {in regard to} any one of these things by which {a person} might commit sin,

if a man makes a vow for Yahweh or swears an oath with a binding pledge on himself, he must not render his word invalid; he must do all that went out from his mouth.

However, the king will rejoice in God. Everyone who swears an oath by him will boast, because [the] mouth of [the] liars will be stopped.

Whoever blesses himself in the land shall bless himself by the God of trustworthiness, and the one who swears an oath in the land shall swear by the God of trustworthiness, because the former troubles are forgotten, and they are hidden from my eyes.

And he said to me, "This [is] the curse going out over the surface of the whole earth. For everyone who steals has gone unpunished according to it, and [likewise] everyone who swears [falsely] has gone unpunished according to it.