1. What do these two words have in common?

VALUABLE

FLAMMABLE

 

2. What do the three words below have in common?

 

GAWKER

CONSULT 

TEMERITY  

 

HINT:

2. Drop a letter 

 

Answers:

 

1. Both words can be preceded by IN and retain their original meaning - unusual in that the prefix IN normally means NOT and negates a word. 

 

2. If you drop one letter in each word and anagram the remaining letters, you get the name of an insect:

 

EARWIG

LOCUST

TERMITE