There are two paragraphs in the Torah where the word mezuzos appears. The first, in Vaeschanan (6:9), is written with a kubutz (no vav)- מְזֻזוֹת . The second, in Eikev (11:20), it is written with a ...
In the Parshah of Chayei Sara, in Bereishis 25:6, there is a Posuk that refers to הפילגשים - "the concubines". Rashi expounds that since the word is missing a Yud, it must be a reference to the fact ...