13-Letter Words Matching L__________S_

There are 18 13-letter words that match L__________S_. 9 are common words, such as LABORIOUSNESS and LECHEROUSNESS. A rarer one is LIGHTSOMENESS. In this set, E is the most frequent open letter (17 words). 13 words contain a doubled letter.

Full list 18

laboriousnesslecherousnessleisurelinesslimitlessnesslitigiousnessloathsomenesslucrativenessludicrousnessluxuriousnesslaughablenesslepidopteristliberationistlaparoscopistleprechaunishlichenologistlickerishnesslightfastnesslightsomeness

About this list

Words
18 (9 common words)
Common example
laboriousness
Rare example
lightsomeness
Doubled letters
13
Ending in S
13
Most frequent letter
E (17)

Questions

How many 13-letter words matching l__________s_ are there?

18. 9 of them are common words.

What is a common example?

LABORIOUSNESS is among the common words in this set.