Sletch or Sleetch: How To spell?

The word Sletch is misspelled against Sleetch, a noun meaning "Mud or slime, such as that at the bottom of rivers."

Sleetch has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Sl & tch which should not be misspelled with single 'E'
Wrong Spelling:  Sl-e-tch 
Correct Spelling:  Sl-ee-tch 
Explore spell check of Sleetch to spell without errors.

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