The word Stoneruner is misspelled against Stonerunner, a noun meaning "The dotterel."
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Stonerunner has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings stoneru & er which should not be misspelled with single 'N'
Wrong Spelling:  stoneru-n-er 
Correct Spelling:  stoneru-nn-er 
Check more misspelled words of Stonerunner to spell it correct.