Acts 11:8

And I said, 'God forbid Lord, for nothing common or unclean hath at any time entered into my mouth.'

Romans 14:14

For I know, and am full certified in the Lord Jesus, that there is nothing common of itself: but unto him that judgeth it to be common, to him it is common.

Leviticus 10:10

that ye may put difference between holy and unholy, and between unclean and clean,

Leviticus 11:47

that ye may put difference between unclean and clean, and between the beasts that are eaten and the beasts that are not eaten.'"

Ezra 9:11-12

which thou hast commanded by thy servants the Prophets, and said, 'The land unto which ye go to possess it, is an unclean land through the filthiness of the people of the lands, in their abominations wherewith they have made it full of uncleanness on every side.

Hosea 9:3

They will not dwell in the LORD's land, but Ephraim turneth again into Egypt, and eateth unclean things among the Assyrians.

Mark 7:2

And when they saw certain of his disciples eat bread with common hands, that is to say, with unwashen hands, they complained.

1 Corinthians 7:14

For the unbelieving husband is sanctified by the wife: and the unbelieving wife is sanctified by the husband. Or else were your children unclean: but now are they pure.

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
And when they saw certain of his disciples eat bread with common hands, that is to say, with unwashen hands, they complained.
Romans 14:14
For I know, and am full certified in the Lord Jesus, that there is nothing common of itself: but unto him that judgeth it to be common, to him it is common.