Strong’s Hebrew
H3586 — kechash
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
כֶּחָשׁ
kechash — pronounced kekh-awsh
from 3584; faithless:--lying. see H03584
1 occurrence in the KJV.
Isaiah 30:9
That this is a rebellious people, lying children, children that will not hear the law of the LORD: