1. What do the following words have in common?

FIRST

HIGH

ENDOWED

2. What do the following words have in common?

FACE

LATE

PARE

SENT

TEND

3. What do the following words have in common?

BOTH

SHOT

STOP

SLOP

ROT

LOT

HINTS:

1. WHEEL and ROCKING could be added to the list.

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

3. It has to do with the O in each word.

Answers:

1. Each word can be followed by CHAIR.

2. Each word can be preceded by PRE.

3. Doubling the "O" in each word gives a new word.