BEGIN AND END III

The following partial words can be completed by preceding and following them with the same two letters, in the same order. For example, given the clue SUL, the answer would be INSULIN.

1. IFI
2. RMI
3. ALG
4. STO
5. GRA

HINTS:
The first letters of the words are:

1. E
2. T
3. A
4. R
5. D

Answers:

1. EDIFIED
2. TERMITE
3. AMALGAM
4. RESTORE
5. DEGRADE