12-Letter Words Matching ____H__L____

There are 23 12-letter words that match ____H__L____. 8 are common words, such as CLOTHESLINES and FAITHFULNESS. A rarer one is TROPHOBLASTS. In this set, S is the most frequent open letter (20 words). 17 words contain a doubled letter.

Full list 23

clotheslinesfaithfulnessmarshmallowsmirthfulnessslothfulnesstruthfulnesswatchfulnessyouthfulnessfeatherlightichthyologiclymphoblastsphilhelleneswrathfulnessapophyllitesclotheslinedmarshmallowymorphallaxesmorphallaxisphilhellenicprothallusestrophallaxestrophallaxistrophoblasts

About this list

Words
23 (8 common words)
Common example
clotheslines
Rare example
trophoblasts
Doubled letters
17
Ending in S
18
Most frequent letter
S (20)

Questions

How many 12-letter words matching ____h__l____ are there?

23. 8 of them are common words.

What is a common example?

CLOTHESLINES is among the common words in this set.