Job 17:6 uses the same word 'byword' — Job earlier lamented being made a byword, reinforcing his current complaint.

Psalm 44:14 uses 'byword' exactly as Job does — both lament being a proverb of scorn among peoples.

Psalm 69:12 says 'I was the song of the drunkards' — directly parallel to Job's 'I am their song'.

Lamentations 3:14 says 'their song all the day' — identical phrase to Job's complaint of being a song of mockery.

Psalm 22:7 describes mockers making mouths and wagging heads — a vivid parallel to Job's taunt-song, also prophetic of Christ.

Luke 22:63 explicitly says they were mocking Jesus — a direct parallel to Job being a taunt-song.

Lamentations 3:46 says enemies open their mouths against us — a parallel of verbal attack, though less specific than 'taunt-song'.