Commento su Levitico 14:56

ולשאת ולספחת ולבהרת, even though the common denominator of these three skin eczemas is that all of them are a shade of white, and that the rules applying to them are basically similar, so much so that they can be treated as cumulative, as we know from tradition (negai-im 1,3) anyone who undertakes to rule on these matters has to be an expert in all the different shadings of white, and where these are most likely to surface. The areas in which shechin or michveh, (burnt like appearance) are judged by a combination of appearances., whereas tzarevet and the areas where hair grows are not judged by appearances at all.

the combinations of the letters ה"י, א"ח, ה"ע cause the word to change vowels so that baheret becomes beharet when the word appears with the tone sign etnachta, at the conclusion of a verse or a section of the verse. We find similar examples in 15,21 where the vowel pattern hachay changes to hechoy in verse 20 there due to the tone sign etnachta. Similar changes occur in the word hacherev or hechorev respectively depending on the accompanying tone signs. (compare Samuel II 11,25 and Numbers 8,6 respectively.