1. What do the following words have in common?

ANGER

LAUGHTER

LEASE

HAVE

LIVES

2. What do the following words have in common?

SAGE

SIDE

CEDE

TENSE

VENT

HINTS:

1. A single, though different, letter will change each word into a new one.

2. The same three letters, added in the same place, will produce new words.

Answers:

1. Manger/Slaughter/Please/Shave/Olives

2. Each word can be preceded by PRE.