Verses with the word principalities in the New Testament (6 verses):

Romans 8:38
For I am persuaded, that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor things to come,

Ephesians 3:10
To the intent that now unto the principalities and powers in heavenly places might be known by the church the manifold wisdom of God,

Ephesians 6:12
For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.

Colossians 1:16
For by him were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by him, and for him:

Colossians 2:15
And having spoiled principalities and powers, he made a shew of them openly, triumphing over them in it.

Titus 3:1
Put them in mind to be subject to principalities and powers, to obey magistrates, to be ready to every good work,