The word Marveling is misspelled against Marvelling, which is present continuous of "Marvel"
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Marvelling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings marve & ing which should not be misspelled with single 'L'
Wrong Spelling: marve-l-ing
Correct Spelling: marve-ll-ing
Find more wrongly spelled words of Marvelling to spell it well.