The word Nigardly is misspelled against Niggardly, meaning "Stingy. (no longer acceptable to use)"
-->
Niggardly has double "gg" is mispronounced as "g"
Remember double 'GG' in between the strings ni & ardly which should not be misspelled with single 'G'
Wrong Spelling:  ni-g-ardly 
Correct Spelling:  ni-gg-ardly 
Find more wrongly spelled words of Niggardly to spell it well.