The same three letters, in the same, consecutive order, will complete the partial words below:

1. ANA _ _ _ Y

2. CO _ _ _ NE

3. PRO _ _ _ UE

4. S _ _ _ AN

HINT:

First letter is L

Answers:

 

The letters/word LOG will complete the partial words:

 

1. anaLOGy

2. coLOGne

3. proLOGue

4. sLOGan