The word Asoilment is misspelled against Assoilment, a noun meaning "A soiling; defilement."
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Assoilment has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings a & oilment which should not be misspelled with single 'S'
Wrong Spelling:  a-s-oilment 
Correct Spelling:  a-ss-oilment 
Find more incorrect spellings of Assoilment to spell right way.