Wednesday, July 25, 2012

leech, leach

Leech or leech means the creature that looks something like a worm with teeth--
A leech lives in the water, and survives by attaching itself to an animal or person and sucking its blood.
Centuries ago, people believed that a leech could cure disease.

Leach or leach ( rhymes with leech ) means to filter out chemically, or through percolation--
Some substances can be used to leach poison out of human tissues.
If the water rises, it may leach many of the nutrients out of the soil.

Now that you know that, you can say--
"When several medicines failed to leach the poison from his system, the doctor considered applying a leech instead."

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