Spuler or Spuller: How To spell?

The word Spuler is misspelled against Spuller, a noun meaning "One employed to inspect yarn, to see that it is well spun, and fit for the loom."

Spuller has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings spu & er which should not be misspelled with single 'L'
Wrong Spelling:  spu-l-er 
Correct Spelling:  spu-ll-er 
Check more misspelled words of Spuller to spell it correct.