16. Illustrate the use of the Caret.

Fâir, thêre, sûrge, and sometimes over o as in stôrm.

17. Give words showing the use of the Tilde.

Mẽrge and cañon.

18. Illustrate the use of the Cedilla.

Çell and çhaise.

19. Give some words showing the use of the inverted t.

Was̝ and ex̝ist.

20. Are there any other names for the inverted t?

It has been given different names by different authors.