H3992 — ma'ar
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ma'ar — pronounced maw-ar
a primitive root; to be bitter or (causatively) to embitter, i.e. be painful:--fretting, picking.
4 occurrences in the KJV.
Leviticus 13:51
And he shall look on the plague on the seventh day: if the plague be spread in the garment, either in the warp, or in the woof, or in a skin, or in any work that is made of skin; the plague is a fretting leprosy; it is unclean.
Leviticus 13:52
He shall therefore burn that garment, whether warp or woof, in woollen or in linen, or any thing of skin, wherein the plague is: for it is a fretting leprosy; it shall be burnt in the fire.
Leviticus 14:44
Then the priest shall come and look, and, behold, if the plague be spread in the house, it is a fretting leprosy in the house; it is unclean.
Ezekiel 28:24
And there shall be no more a pricking brier unto the house of Israel, nor any grieving thorn of all that are round about them, that despised them; and they shall know that I am the Lord GOD.