1. The same three-letter word will complete the following partial words:

A _ _ _ E

RO _ _ _ T

AM _ _ _ H

2. The same three-letter word will complete the following partial words:

ANA _ _ _ Y

CO _ _ _ NE

PRO _ _ _ UE

S _ _ _ AN

3. The same three-letter word has "flown" from the partial words below (which is very surprising).

B _ _ _ SE

D _ _ _ RE

F _ _ _ R

_ _ _ LATE

HINTS:
1. The first lette is B.
2. The first letter is L
3. The first letter is E

Answers:

1. The word is BUS:

ABUSE/ROBUST/AMBUSH

2. The word is LOG:

ANALOGY/COLOGNE/PROLOGUE/SLOGAN

3. The word is EMU:

BEMUSE
DEMURE
FEMUR
EMULATE  

(The emu is a flightless bird.)