12-Letter Words Matching L__P________

There are 13 12-letter words that match L__P________. 4 are common words, such as LAMPLIGHTERS and LEAPFROGGING. A rarer one is LYOPHILIZERS. 4 words contain a doubled letter.

Full list 13

lamplightersleapfroggingleopardesseslimpidnesseslumpectomieslymphangitislymphoblastslyophilizinglampoonerieslymphographylymphomatouslyophilisinglyophilizers

About this list

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

Questions

How many 12-letter words matching l__p________ are there?

13. 4 of them are common words.

What is a common example?

LAMPLIGHTERS is among the common words in this set.