Acts 11:8

"'Not so, my Lord' said I, 'for nothing common or unclean has ever gone into my mouth.'

Romans 14:14

I know and am persuaded in the Lord Jesus that nothing is in itself unclean; but any food is "unclean" for one who considers it "unclean."

Mark 7:2

They had noticed that some of his disciples were eating with "common," that is to say, unwashed hands.

1 Corinthians 7:14

For the unbelieving husband is consecrated through union with his believing wife; and the unbelieving wife, through union with her believing husband. Otherwise your children would be unholy, but now they are consecrated to God.

Treasury of Scripture Knowledge

Summary

But I said, Not so, Lord: for nothing common or unclean hath at any time entered into my mouth.

Bible References

Common

Mark 7:2
They had noticed that some of his disciples were eating with "common," that is to say, unwashed hands.
Romans 14:14
I know and am persuaded in the Lord Jesus that nothing is in itself unclean; but any food is "unclean" for one who considers it "unclean."