The word Vacinist is misspelled against Vaccinist, a noun meaning "A vaccinator."
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Vaccinist has double "cc" is mispronounced as "c"
Remember double 'CC' in between the strings Va & inist which should not be misspelled with single 'C'
Wrong Spelling:  Va-c-inist 
Correct Spelling:  Va-cc-inist 
Find more wrongly spelled words of Vaccinist to spell it well.