The word Rotlet is misspelled against Rootlet, a noun meaning "A radicle; a little root."
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Rootlet has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings r & tlet which should not be misspelled with single 'O'
Wrong Spelling:  r-o-tlet 
Correct Spelling:  r-oo-tlet 
Find more incorrect spellings of Rootlet to spell right way.