ὀφειλή

Matthew 18:32 ὀφειλὴν debt,

Then the master summoned him and said, ‘You wicked servant! I forgave all your debt because you begged me.

Romans 13:7 ὀφειλάς, dues,

Pay everyone what you owe him: taxes to whom taxes are due, revenue to whom revenue is due, respect to whom respect is due, honor to whom honor is due.

1 Corinthians 7:3 ὀφειλὴν debt

The husband should fulfill his marital duty to his wife, and likewise the wife to her husband.