2 Corinthians 8:4

4begging us earnestly afor the favor
The Greek word charis can mean  favor or grace or thanks, depending on the context
of taking part in cthe relief of the saints

2 Corinthians 8:6-7

6Accordingly, dwe urged Titus that as he had started, so he should complete among you ethis act of grace. 7But as fyou excel in everything—in faith, in speech, in knowledge, in all earnestness, and in our love for you
Some manuscripts  in your love for us
hsee that you excel in this act of grace also.

2 Corinthians 9:8

8And iGod is able to make all grace abound to you, so that having all sufficiency
Or  all contentment
in all things at all times, you may abound in every good work.
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