Owing
Part of speech: adjective
Definition: Still to be paid; owed as a debt.
Part of speech: verb
Definition: To be under an obligation to give something back to someone or to perform some action for someone.
Example sentence: I should point out, however, that at first some difficulty was experienced in observing the phenomena predicted by the theory, owing to the extreme smallness of the variations in the period of oscillation.
Due
Part of speech: adjective
Definition: Owed or owingAppropriate.Scheduled; expected.Having reached the expected, scheduled, or natural time
Part of speech: adverb
Definition: Directly; exactly.
Part of speech: noun
Definition: Deserved acknowledgment.(in plural dues) A membership fee.
Example sentence: Sacrifice, discipline and prayer are essential. We gain strength through God's word. We receive grace from the sacrament. And when we fumble due to sin - and it's gonna happen - confession puts us back on the field.