H6884–צָרַף–tsa.raph

Many shall purify themselves, and make themselves white, and be refined; but the wicked shall do wickedly; and none of the wicked shall understand; but those who are wise shall understand.

וְיִצָּֽרְפוּ֙ (יִצָּֽרְפוּ֙) yi.tza.re.Fu “they may be refined”

I will bring the third part into the fire, And will refine them as silver is refined, And will test them like gold is tested. They will call on my name, and I will hear them. I will say, 'It is my people;' And they will say, 'Yahweh is my God.'"

וּצְרַפְתִּים֙ (צְרַפְתִּי) tze.raf.Ti “I will refine”כִּצְרֹ֣ף (צְרֹ֣ף) tz.Rof “refines”

"But who can endure the day of his coming? And who will stand when he appears? For he is like a refiner's fire, and like launderer's soap;

מְצָרֵ֔ף me.tza.Ref “a refiner”

and he will sit as a refiner and purifier of silver, and he will purify the sons of Levi, and refine them as gold and silver; and they shall offer to Yahweh offerings in righteousness.

מְצָרֵ֤ף me.tza.Ref “[one who] refines”