1. The same change can be made to each of the words below to create new words.

LOOSE
HASTE
CORAL
GRAIN
FOUND

2. Can you make a six-letter word using only the letters L, T, Y, E ?

HINTS:
1)
First hint: The change has to do with the a single letter in each word. 
Second hint: The changed letter is different for each word.
Third hint: The changed letter is in the same position in each word..

Answers:

1. Dropping the middle letter of each five-letter word leaves a valid four-letter word.

LOSE / HATE / COAL / GRIN / FOND

2. EYELET