12-Letter Words Containing ACK

There are 99 12-letter words that contain ACK. 47 are common words, such as ACKNOWLEDGED and ACKNOWLEDGES. A rarer one is WISECRACKERS. In this set, E is the most frequent open letter (69 words). 29 words contain a doubled letter.

Full list 99

Common words

acknowledgedacknowledgesbackbenchersbackbreakingbackgrounderbackhandedlybackpackingsbackpedalingbackpedalledbackslappersbackslappingbackstabbers
acknowledgedacknowledgesbackbenchersbackbreakingbackgrounderbackhandedlybackpackingsbackpedalingbackpedalledbackslappersbackslappingbackstabbersbackstoppingbackstrokingbacktrackingbackwardnessbackwoodsmanbackwoodsmenbiofeedbacksblackballingblackberriesblackjackingblacklistingblackmailersblackmailingblacktoppingbrackishnessbushwhackersbushwhackingcrackerjacksdiamondbacksfirecrackersmackintoshesmeatpackingspackinghousepickabackingpiggybackingprepackagingquarterbacksracketeeringshellackingssidetrackingsteeplejackssticklebacksstraitjacketticktacktoeswisecrackingbackstabbingblackcurrantbackcrossingbacksheeshesbackstitchedbackstitchesblackguardlyblackleggingcrackbrainedcracklewaresjackanapesesjacklightingleatherbacksnerverackingsafecrackerssafecrackingantibacklashantiblackismantikickbackbackbreakersbackcourtmanbackcourtmenbackdroppingbackgroundedbacklightingbackscattersbacksplashesblackbirdersblackbirdingblackguardedblackhandersblacklistersgreenbackersgreenbackismhydrocrackedhydrocrackerjackasseriesjackhammeredlinebackingsmispackagingmultitrackedoverpackagedoverpackagesquacksalversracetrackersshacklebonesshellcrackerswitchbackedthumbtackingtracklayingstrackwalkerswisecrackers

About this list

Words
99 (47 common words)
Common example
acknowledged
Rare example
wisecrackers
Doubled letters
29
Ending in S
43
Most frequent letter
E (69)

Questions

How many 12-letter words containing ack are there?

99. 47 of them are common words.

What is a common example?

ACKNOWLEDGED is among the common words in this set.