Tooth #8127 Shane שֵׁן Teeth break food down and make ready for consumption. Words that start with the letter Shin that convey the meaning of the letter.

Sharp #8150 Shawnan שָׁנַן Meaning sharp, sharpen, prick, teach diligently (literally and figuratively) (Psalm 140:3) 

Teach diligently #8193 Saw-faw שָׂפָה  Meaning lip, language, speech, edge  (Deut. 6:7)

Just as teeth cut and crush the food to be absorbed properly by the body, so too the Word of God. The more we read it and meditate on it, the better it gets absorbed.  As we teach the Word diligently to our children, we are doing essentially the same thing. We are refining it for them, so there is no question it is being absorbed in their hearts and minds.

One of 8193 Saw-faw שָׂפָה  meaning God’s Name is God. Within the name Shaddai is the word enough or sufficient (See Ex.36:5). Almighty  El Shaddai  אֵל שַׁדַּי

Jesus is the Door of Israel.  He says “I am the door” in John 10:7-11. The mezuzah literally means "doorpost," in Hebrew, but it commonly refers to a scroll of parchment containing two paragraphs of the Shema from Deut. 6:4-9 and Deut. 11:13-21. The mezuzah is placed on the doorways of rooms they use.  It is often decorated with the letter shin on the outside representing El Shaddai.

The three pillars of the the Shin can represent our thoughts, words and deeds. Phil. 4:8 / Matthew 12:37 / Col. 3:17

Peace-Shalom #7965 שָׁנַן

שָׁלוֹם completeness, soundness, welfare, peace. 

Jesus is our Prince of Peace. (Isaiah 9:6)