Proverbs 12:18 contrasts harmful and healing words, reinforcing the power of a good word to gladden the heart—the same theme as the second half of 12:25.

In Proverbs 15:13, sorrow of heart crushing the spirit directly mirrors anxiety weighing down the heart — both contrast with gladness.

In Proverbs 15:15, the afflicted person's bleak days parallel the weighed-down heart, while a cheerful heart's feast matches the good word that gladdens.

In Proverbs 15:23, a timely good word brings joy — exactly the remedy to anxiety that a good word provides here.

Proverbs 16:24 calls pleasant words 'sweetness to the soul'—a direct parallel to the 'good word' that makes the heart glad in 12:25.

In Proverbs 17:22, a crushed spirit drying bones parallels anxiety weighing down the heart, and a joyful heart as good medicine mirrors the good word.

Proverbs 25:11 compares a 'word fitly spoken' to apples of gold—an elegant metaphor for the timely good word that lifts depression in 12:25.

In Nehemiah 2:2, the king identifies 'sadness of heart'—a direct illustration of anxiety (Nehemiah's fear) causing the depression Proverbs describes.

Isaiah 50:4 shows God giving his servant words that sustain the weary — the same power as the kind word that cheers an anxious heart.

Zechariah 1:13 has God speaking kind and comforting words — the very action that lifts anxiety in Proverbs.

Mark 14:33 shows Jesus 'troubled and deeply distressed'—anxiety in the heart that leads to the sorrowful state echoed in Proverbs.

2 Corinthians 2:4-7 urges comfort and forgiveness to prevent someone being overwhelmed by sorrow — echoing the kind word that cheers a heavy heart.

2 Chronicles 32:8 shows Hezekiah’s words giving the people confidence — a biblical example of a kind word that cheers an anxious heart.

Psalm 42:11 shows the psalmist's self-talk—'why are you cast down?'—then hope in God, which parallels the internal struggle and the need for a good word to lift the soul.

Psalm 38:6 depicts being 'bowed down' and mourning all day—a picture of depression that matches the result of anxiety in Proverbs, though no cause is given.

Jeremiah 52:32 records a king speaking kindly to a captive, lifting his status — an instance of kind words cheering a humbled heart.