1. A single letter will change each word below into a new word. The letter is different for each word, but the change follows the same pattern in all four clues.

RODE

EARTH

LUMP

OAR

2.  Adding one letter to each word below will create three new, unrelated words. The added letter is different for each word and may or may not be in the same position.

EGRET
SHREW
FLAMING

Answers:

1. Add the last letter of each clue word as the first letter :

ERODE
HEARTH

PLUMP

ROAR

2. The new words are:

REGRET
SHREWD
FLAMINGO