Bleniid or Blenniid: How To spell?
The word Bleniid is misspelled against Blenniid, an adjective meaning "pertaining to, resembling, the blennies."
Blenniid has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings ble & iid which should not be misspelled with single 'N'
Wrong Spelling:  ble-n-iid  Correct Spelling:  ble-nn-iid 
Find more wrongly spelled words of Blenniid to spell it well.