Lader or Ladder: How To spell?
The word Lader is misspelled against Ladder, a verb meaning "A frame usually portable, of wood, metal, or rope, for ascent and descent, consisting of two side pieces to which are fastened cross strips or rounds forming steps."
Ladder has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings La & er which should not be misspelled with single 'D'
Wrong Spelling:  La-d-er  Correct Spelling:  La-dd-er 
Explore spell check of Ladder to spell without errors.