Stuart's Daily Word Spot: Leach or leech?

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Leach or leech? Leach: verb – to dissolve by percolation;subject soil, etc, to the action of percolating water, which takes out solubleconstituents; slowly deprive.Leech: verb – to apply leeches to a patient inthe cause of medical treatment; to drain of energy, resources; attach oneselflike a leech, be parasitic.A leech (noun) is a parasitic worm that sucksblood from its host.
'Thecontinuous rains had leached the soil of all goodness, so that it would no longersupport a crop of any worth.'
'Doctor Deathdecided that the only cure for his patient's hysteria was to leech her on adaily basis, slowly draining her of what he considered was her bad blood.'