anneal, annealing, calcification, calcify, callosity, callous, callus, cauterise, cauterize, congealment, congelation, cure, encrust, incrust, normalize, temper, tempering.
ungarnished.
Your query has returned 652 words, which include anagrams of hardenings as well as other shorter words that can be made using the letters included in hardenings.
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