Psalm 71:15 continues the same theme: 'my mouth will tell of your righteous acts' — directly parallel to verse 8's praise.

Psalm 71:24 echoes verse 8: 'my tongue will talk of your righteous help' — same psalm, same theme of continual praise.

Psalm 35:28 has nearly identical wording: 'my tongue shall tell of your righteousness and of your praise all the day' — a clear parallel.

Psalm 51:15: 'my mouth will declare your praise' — directly parallels verse 8's 'my mouth is filled with your praise'.

Psalm 145:1 echoes this commitment to praise God continually, using 'exalt' and 'forever' to parallel the daily declaration.

Psalm 145:2 explicitly says 'every day I will praise you,' directly reinforcing the 'all day long' theme here.

Psalm 146:2 extends the praise to 'all my life,' matching the lifelong dedication expressed in this verse.

Psalm 34:1 states 'his praise will always be on my lips,' a near-identical parallel to the mouth filled with praise all day.

Psalm 89:1 also mentions 'with my mouth' making God's faithfulness known, reinforcing the verbal declaration of praise.

Psalm 145:21 directly says 'my mouth will speak the praise of the LORD,' a clear parallel to the mouth filled with praise.

Psalm 84:4 describes those in God's house 'ever praising you,' a communal echo of the individual's perpetual praise here.

Psalm 51:14 says 'my tongue will sing aloud of your righteousness' — similar praise theme but from a penitential context. Moderate parallel.

Psalm 108:1 expresses a steadfast heart to sing praise, complementing the mouth's praise here with inner resolve.

In 1 Samuel 2:1, Hannah's mouth boasts in the Lord—a similar expression of praise from the lips, though in a personal deliverance context.