The word Tunneled is misspelled against Tunnelled, which is past tense of "Tunnel"
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Tunnelled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings tunne & ed which should not be misspelled with single 'L'
Wrong Spelling: tunne-l-ed
Correct Spelling: tunne-ll-ed
Check more misspelled words of Tunnelled to spell it correct.