letch

Etymology 1
See,.

Noun

 * 1)  Strong desire; passion.
 * 2) * 1830,, Life of Richard Bentley (review)
 * Some people have a letch for unmasking impostors, or for avenging the wrongs of others.
 * 1)  A lecher.

Etymology 2
From, for example Sandy's Letch located east of Annitsford in North Tyneside.

Noun

 * 1) A stream or pool in boggy land.

Etymology
From.

Noun

 * 1) small beer