The following partial words can be completed by adding or inserting a common three-letter word. What is the word to be inserted, and what are the completed words? 

1. LOE

2. CH

3. STER

4. VAE

5. ER

6. SHE

 

Answers:

 

The word to be added or inserted is CAT:

 

1. LOCATE

2. CATCH 

3. SCATTER

4. VACATE

5. CATER

6. SCATHE