VERY UNUSUAL

The following words share two unusual properties. Can you tell what they are?

1. SIGHING

2. CANOPY

3. PASTURE

4. REDEFINED

5. THIRSTS

HINT:

It has to do with the letters in each word.

Answer:

Each word contains three consecutive letters of the alphabet, and, if those letters are removed, the remaining letters spell another word.

SIGHING - SING

CANOPY - CAY

PASTURE - PURE

REDEFINED - REINED

THIRSTS - THIS