PHB: rosh - Revelation family רבת-כ
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Pneumnemonic Hebrew for Beginners->PHB: Letter families->PHB: rosh - Revelation family רבת-כ
Rosh ר
The rosh ר was part of the vav - Word Extended Family as a vavו extended with a horizontal vav on the top. It also starts it's own family. All members of this family are related to the rosh as revelation.
Bet ב
Tov ת
Kof כ
.