Shampoer or Shampooer: How To spell?
The word Shampoer is misspelled against Shampooer, a noun meaning "One who shampoos."
Shampooer has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings shamp & er which should not be misspelled with single 'O'
Wrong Spelling:  shamp-o-er  Correct Spelling:  shamp-oo-er 
Find more incorrect spellings of Shampooer to spell right way.