Interfreted or Interfretted: How To spell?
The word Interfreted is misspelled against Interfretted, an adjective meaning "Interlaced; linked together; -- said of charges or bearings. See Fretted."
Interfretted has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings interfre & ed which should not be misspelled with single 'T'
Wrong Spelling:  interfre-t-ed  Correct Spelling:  interfre-tt-ed 
Explore spell check of Interfretted to spell without errors.