15-Letter Words Matching ___B__________S

There are 13 15-letter words that match ___B__________S. 4 are common words, such as COMBATIVENESSES and ELABORATENESSES. A rarer one is WOEBEGONENESSES. 9 words contain a doubled letter.

Full list 13

combativenesseselaboratenessesnonbelligerentsunobtrusivenessbarbarousnessesrumbustiousnessariboflavinosesariboflavinosisdoubtlessnessesnonbarbituratestomboyishnessesturbogeneratorswoebegonenesses

About this list

Words
13 (4 common words)
Common example
combativenesses
Rare example
woebegonenesses
Doubled letters
9
Ending in S
13

Questions

How many 15-letter words matching ___b__________s are there?

13. 4 of them are common words.

What is a common example?

COMBATIVENESSES is among the common words in this set.