What are some seven letter words with 1st letter N and 2nd letter I and 3rd letter B and 4th letter B?

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

nibbing

nibbled

nibbler

nibbles