H2016
הֶ֫פֶךְ
contrariness
contrary, opposite, a difference, reversed, contrariness, perversity
Full Brown-Driver-Briggs lexicon entry
הֶ֫פֶךְ noun masculine the contrary, contrariness, perversity; — absolute ׳ה Ezek 16:34 הֶ֑פֶךְ vEzek 16:34 suffix הַפְכְּכֶם Isa 29:16 (see Baer); —
1. the contrary, opposite thing וַיְהִיבָֿךְ הֶפֶךְ מִןהַֿנָּשִׁים Ezek 16:34 & there hath occurred in thee the contrary from other women; vEzek 16:34 וַתְּהִי לְהֶ֑פֶךְ so thou hast become the contrary.
2. הַפְכְּכֶם Isa 29:16 Oh, your perversity !
1 occurrence