Turtles and tortoises are closely related. They are both reptiles from the same family (Testudines or Chelonian). The main difference between the two is that turtle is the name given to water-dwellers and tortoise is the name given to land-dwellers.
Sharla /shar-la/ [2 sylls.] as a girls' name is of Old German and Hebrew origin, and Sharla means free man; a fertile plain. Sharla is a version of Caroline (Old German). Sharla is also a form of Charlotte (Old German). Sharla is also used as a form of Sharlene (Old German) and Sharon (Hebrew). Kreatif forms: Sharka.
Shana /sha-na/ [2 sylls.] as a girls' name is pronounced SHAH-nah. It is of Hebrew origin, and the meaning of Shana is  lily, rose. Short form of Shoshana, Shannon or an Anglicized form of Shaina.Shana has been made familiar today by journalist and biographer Shana Alexander.Singer Shania Twain.ow popular is Shana? Shana is a very prominent first name for females (#633 out of 4276, Top 15%) and a slightly less prominent surname for both adults and children (#131366 out of 150436, Top 87%).