Beterness or Betterness: How To spell?

The word Beterness is misspelled against Betterness, a noun meaning "The difference by which fine gold or silver exceeds in fineness the standard."

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

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