In each set of words below, the addition of a single letter will change each word into a new one. The letter is the same within each set, but a different letter, in a different position, is used in each of the three sets.

1)

PIN

CAR

HEAR

SEA

STAR

2)

LAME

RING

RAKE

EAT

ASK

3)

DEAL

ETHER

PANT

WRATH

REALTY

Answers:

1. Add a T to the end of each word.

2. Add a B to the beginning of each word.

3. Insert an I into each word (ideal, either, paint, wraith, reality)