Laging or Lagging: How To spell?
The word Laging is misspelled against Lagging, a noun meaning "Lags, collectively; narrow planks extending from one rib to another in the centering of arches."
Lagging has double "gg" is mispronounced as "g"Remember double 'GG' in between the strings la & ing which should not be misspelled with single 'G'
Wrong Spelling:  la-g-ing  Correct Spelling:  la-gg-ing 
Find more wrongly spelled words of Lagging to spell it well.