The english word BOOKKEEPING has three sets of consecutive double letters. SUBBOOKKEEPER is the only word with four sets of consecutive double letters.
What English Word Has Three Consecutive Double Letters?
According to www.askoxford.com & www.dictionary.com subbookkeeper is not a word. I am unable to find anywhere that states subbookkeeper is a word.
Bookkeeping
Bookkeeper
Bookkeeper
Bookkeeping is the english word
Stubbornness