What's the difference between corer and porer?

Corer

Definition:

• (n.) That which cores; an instrument for coring fruit; as, an apple corer.

Example Sentences:

• (1) Throw Martin Demichelis into an active volcano?” 2.35pm GMT 33 mins A corer to City.
• (2) After 10 days puparia were recovered using a soil corer and sieving system.

Porer

Definition:

• (n.) One who pores.

Example Sentences: