12-Letter Words Matching _____A_K____

There are 16 12-letter words that match _____A_K____. 7 are common words, such as BACKPACKINGS and MEATPACKINGS. A rarer one is ZOOPLANKTERS. 4 words contain a doubled letter.

Full list 16

backpackingsmeatpackingssemidarknessshellackingstelemarketerticktacktoesunremarkableunremarkablyzooplanktonsantibacklashlinebackingsoutsparklingoverpackagedoverpackagesracewalkingszooplankters

About this list

Words
16 (7 common words)
Common example
backpackings
Rare example
zooplankters
Doubled letters
4
Ending in S
10

Questions

How many 12-letter words matching _____a_k____ are there?

16. 7 of them are common words.

What is a common example?

BACKPACKINGS is among the common words in this set.