Many words have the שנ symbol, but it is translated as different words. There is a connection with the words above, See the book “Primitive Sign Language, Vol. 1, Etymology of Ancient Biblical Hebrew” to understand these words and why it means so many things.  This is an example of the connection: “teeth” repeats itself as  it grows, a year is a cycle that repeats, as well as sleeping, to repeat is to change, the number two means repeat or (1+1) see שנים