12-Letter Words Matching L_________R_

There are 15 12-letter words that match L_________R_. 5 are common words, such as LAMPLIGHTERS and LEASEHOLDERS. A rarer one is LYOPHILIZERS. 3 words contain a doubled letter.

Full list 15

lamplightersleaseholdersleisurewearslitterateursloudspeakerslachrymatorylammergeierslevorotatoryliquidambarslachrymatorslammergeyerslegitimatorslegitimizersliberalizerslyophilizers

About this list

Words
15 (5 common words)
Common example
lamplighters
Rare example
lyophilizers
Doubled letters
3
Ending in S
13

Questions

How many 12-letter words matching l_________r_ are there?

15. 5 of them are common words.

What is a common example?

LAMPLIGHTERS is among the common words in this set.