Frithstol or Frithstool: How To spell?

The word Frithstol is misspelled against Frithstool, a noun meaning "A seat in churches near the altar, to which offenders formerly fled for sanctuary."

--> Frithstool has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings frithst & l which should not be misspelled with single 'O'
Wrong Spelling:  frithst-o-l 
Correct Spelling:  frithst-oo-l 
Find more incorrect spellings of Frithstool to spell right way.

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