Verses with the word thanksgiving in the New Testament (8 verses):

2 Corinthians 4:15
For all things are for your sakes, that the abundant grace might through the thanksgiving of many redound to the glory of God.

2 Corinthians 9:11
Being enriched in every thing to all bountifulness, which causeth through us thanksgiving to God.

Philippians 4:6
Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God.

Colossians 2:7
Rooted and built up in him, and stablished in the faith, as ye have been taught, abounding therein with thanksgiving.

Colossians 4:2
Continue in prayer, and watch in the same with thanksgiving;

1 Timothy 4:3
Forbidding to marry, and commanding to abstain from meats, which God hath created to be received with thanksgiving of them which believe and know the truth.

1 Timothy 4:4
For every creature of God is good, and nothing to be refused, if it be received with thanksgiving:

Revelation 7:12
Saying, Amen: Blessing, and glory, and wisdom, and thanksgiving, and honour, and power, and might, be unto our God for ever and ever. Amen.