The word Syneuroses is misspelled against Synneuroses, which is plural of "Synneorosis"
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Synneuroses has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings sy & euroses which should not be misspelled with single 'N'
Wrong Spelling:  sy-n-euroses 
Correct Spelling:  sy-nn-euroses 
Check more misspelled words of Synneuroses to spell it correct.