WORD + WORD = NEW WORD XLI

Each clue contains the definitions of two words that can be combined to form a third, unrelated word - without any re-arrangement of letters.

1. Act + A bet

2. Body part + Excavate 

3. Change + An indigenous person

4. Church-tower pealer + Castrated ram

5. Thus + Block of compressed charcoal

6. Animal excrement + A very long period of time

7. River horse + Strong containers

Answers:

1. DO + WAGER = DOWAGER

2. SHIN + DIG = SHINDIG

3. ALTER + NATIVE = ALTERNATIVE

4. BELL + WETHER = BELLWETHER

5. SO + BRIQUET = SOBRIQUET

6. DUNG + EON = DUNGEON 

7. HIPPO + CRATES = HIPPOCRATES