The word Shieldrake is misspelled against Shielddrake, a noun meaning "A sheldrake."
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Shielddrake has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Shiel & rake which should not be misspelled with single 'D'
Wrong Spelling:  Shiel-d-rake 
Correct Spelling:  Shiel-dd-rake 
Find more wrongly spelled words of Shielddrake to spell it well.