Matthew 10:1ἀκαθάρτων
And calling His twelve disciples to Him, Jesus gave them authority over unclean spirits, so that they could drive them out and heal every disease and sickness.
Mark 1:23ἀκαθάρτῳ
Suddenly a man with an unclean spirit cried out in the synagogue:
Luke 4:33ἀκαθάρτου
In the synagogue there was a man possessed by the spirit of an unclean demon. He cried out in a loud voice,
Acts 5:16ἀκαθάρτων
Crowds also gathered from the towns around Jerusalem, bringing the sick and those tormented by unclean spirits, and all of them were healed.
1 Corinthians 7:14ἀκάθαρτά
For the unbelieving husband is sanctified through his believing wife, and the unbelieving wife is sanctified through her believing husband. Otherwise your children would be unclean, but now they are holy.
Revelation 16:13ἀκάθαρτα
And I saw three unclean spirits that looked like frogs coming out of the mouths of the dragon, the beast, and the false prophet.

Abbott-Smith

ἀκάθαρτος, -ον
(ἀ- neg., καθαίρω), [in LXX chiefly for טָמֵא ;]
unclean, impure;

(a) physically (LS, MM, VGT, see word);

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.