Verses with the word effectual in the New Testament (6 verses):
1 Corinthians 16:9
For a great door and effectual is opened unto me, and there are many adversaries.
2 Corinthians 1:6
And whether we be afflicted, it is for your consolation and salvation, which is effectual in the enduring of the same sufferings which we also suffer: or whether we be comforted, it is for your consolation and salvation.
Whereof I was made a minister, according to the gift of the grace of God given unto me by the effectual working of his power.
From whom the whole body fitly joined together and compacted by that which every joint supplieth, according to the effectual working in the measure of every part, maketh increase of the body unto the edifying of itself in love.
That the communication of thy faith may become effectual by the acknowledging of every good thing which is in you in Christ Jesus.
Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.