The word Asayable is misspelled against Assayable, an adjective meaning "That may be assayed."
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Assayable has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings a & ayable which should not be misspelled with single 'S'
Wrong Spelling:  a-s-ayable 
Correct Spelling:  a-ss-ayable 
Explore spell check of Assayable to spell without errors.