1. What do the following four-letter words have in common that is hinted at by the last clue?

PULP

PROF

PERM 

BAND

Heading for a meltdown

 

2. What do the following words have in common that is hinted at by the last clue?

 

WAVE

RADIO

TREATMENT

Earthquake follower

 

Answers:

 

1. The letters IT can be added to each word to make a new one:

    PULPIT

    PROFIT

    PERMIT

    BANDIT

    (Losing it)

    

 

2. Each word can follow SHOCK:

    SHOCK WAVE

    SHOCK RADIO

    SHOCK TREATMENT 

    (Aftershock)

 

Credits:

1: Fred Piscop

2: Parikshit S. Bhat