Change one letter

Parted

Treads

Treats

Streak

Skates

Snakes

Sneaky

Sneaks

Speaks

Sparks :zap:

Sharks

Shards

Shears

Spears

Pearls

Learns

Smiles

:018:

LEARNS

Oops!

Erm…

Snarls?

Snarks … the hunting of