What are some eight letter words with 1st letter N and 3rd letter B and 4th letter B and 7th letter R?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern N-BB--R-. That is, eight letter words with 1st letter N and 3rd letter B and 4th letter B and 7th letter R. In alphabetical order, they are:

nibblers

nobblers