The word Terestrial is misspelled against Terrestrial, a noun meaning "An inhabitant of the earth."
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Terrestrial has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings te & estrial which should not be misspelled with single 'R'
Wrong Spelling: te-r-estrial
Correct Spelling: te-rr-estrial
Find more wrongly spelled words of Terrestrial to spell it well.