The word Gemae is misspelled against Gemmae, which is plural of "Gemma"
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Gemmae has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings ge & ae which should not be misspelled with single 'M'
Wrong Spelling:  ge-m-ae 
Correct Spelling:  ge-mm-ae 
Explore spell check of Gemmae to spell without errors.