The word Sluber is misspelled against Slubber, a noun meaning "A slubbing machine."
-->
Slubber has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Slu & er which should not be misspelled with single 'B'
Wrong Spelling:  Slu-b-er 
Correct Spelling:  Slu-bb-er 
Check more misspelled words of Slubber to spell it correct.