Patern or Pattern: How To spell?

The word Patern is misspelled against Pattern, a noun meaning "A full-sized model around which a mold of sand is made, to receive the melted metal. It is usually made of wood and in several parts, so as to be removed from the mold without injuring it."

Pattern has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings pa & ern which should not be misspelled with single 'T'
Wrong Spelling:  pa-t-ern 
Correct Spelling:  pa-tt-ern 
Explore spell check of Pattern to spell without errors.

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