Verses with the word attend in the Old Testament (10 verses):

Esther 4:5
Then called Esther for Hatach, one of the king's chamberlains, whom he had appointed to attend upon her, and gave him a commandment to Mordecai, to know what it was, and why it was.

Psalms 17:1
Hear the right, O LORD, attend unto my cry, give ear unto my prayer, that goeth not out of feigned lips.

Psalms 55:2
Attend unto me, and hear me: I mourn in my complaint, and make a noise;

Psalms 61:1
Hear my cry, O God; attend unto my prayer.

Psalms 86:6
Give ear, O LORD, unto my prayer; and attend to the voice of my supplications.

Psalms 142:6
Attend unto my cry; for I am brought very low: deliver me from my persecutors; for they are stronger than I.

Proverbs 4:1
Hear, ye children, the instruction of a father, and attend to know understanding.

Proverbs 4:20
My son, attend to my words; incline thine ear unto my sayings.

Proverbs 5:1
My son, attend unto my wisdom, and bow thine ear to my understanding:

Proverbs 7:24
Hearken unto me now therefore, O ye children, and attend to the words of my mouth.