Sinai — Mount Sinai (place of revelation)

ayin — letter ayin (full spelling)

Genesis 10:17 — “The Hivites, the Arkites, the Sinites,”

Exodus 16:1 — “Setting out from Elim, the whole Israelite community came to the wilderness of Sin, which is between Elim and Sinai, on the fifteenth day of the second month after their departure from the land of Egypt.”

Exodus 19:1 — “On the third new moon after the Israelites had gone forth from the land of Egypt, on that very day, they entered the wilderness of Sinai.”

Exodus 19:2 — “Having journeyed from Rephidim, they entered the wilderness of Sinai and encamped in the wilderness. Israel encamped there in front of the mountain,”

Exodus 19:11 — “Let them be ready for the third day; for on the third day GOD will come down, in the sight of all the people, on Mount Sinai.”