Zain - The Sword 67, 717
Zain - Sword, airy, Gemini, discrimination, disposing intelligence, smell
Yod - Open hand, earthy, Virgo, response, intelligence of Will, touch, coition
Nun (final) - Fish, watery, Scorpio, Transformation, imaginative intelligence, motion

A sword cuts, divides, separates. This corresponds with the function of discrimination - of making fine differentiations.

"I cut through superficial appearances to reveal the One Will within. Old forms and ways of being die to give birth to the new."

"King Arthur" Swords Sabre