Strong’s Hebrew
H5285 — na`atsuwts
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
נַעֲצוּץ
na`atsuwts — pronounced nah-ats-oots
from an unused root meaning to prick; probably a brier; by implication, a thicket of thorny bushes:--thorn.
2 occurrences in the KJV.
Isaiah 7:19
And they shall come, and shall rest all of them in the desolate valleys, and in the holes of the rocks, and upon all thorns, and upon all bushes.
Isaiah 55:13
Instead of the thorn shall come up the fir tree, and instead of the brier shall come up the myrtle tree: and it shall be to the LORD for a name, for an everlasting sign that shall not be cut off.