15-Letter Words Matching L___________S__

There are 21 15-letter words that match L___________S__. 9 are common words, such as LABORIOUSNESSES and LECHEROUSNESSES. A rarer one is LYMPHOCYTOSISES. 15 words contain a doubled letter.

Full list 21

laboriousnesseslecherousnessesleisurelinesseslimitlessnesseslitigiousnessesloathsomenesseslucrativenessesludicrousnessesluxuriousnesseslibertarianismslaughablenessesleukaemogenesesleukaemogenesislickerishnesseslightfastnesseslightsomenesseslignocelluloseslignocellulosicliturgiologistslymphadenitiseslymphocytosises

About this list

Words
21 (9 common words)
Common example
laboriousnesses
Rare example
lymphocytosises
Doubled letters
15
Ending in S
20

Questions

How many 15-letter words matching l___________s__ are there?

21. 9 of them are common words.

What is a common example?

LABORIOUSNESSES is among the common words in this set.