Berean Study Bible (BSB) - Psalms 5:9 >

For not a word they speak can be trusted; destruction lies within them. Their throats are open graves; their tongues practice deceit.

Jewish Publication Society of America Version (JPS1917) - Psalms 5:9 >

(5-10) For there is no sincerity in their mouth; their inward part is a yawning gulf, their throat is an open sepulchre; they make smooth their tongue.