The word Aterrate is misspelled against Atterrate, a verb meaning "To fill up with alluvial earth."
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Atterrate has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings a & errate which should not be misspelled with single 'T'
Wrong Spelling:  a-t-errate 
Correct Spelling:  a-tt-errate 
Explore spell check of Atterrate to spell without errors.