Word.ws English Dictionary

5-Letter Words Ending in ACK

There are 21 five-letter words ending in ACK on Word.ws, from aback to wrack. The most common are black, track, crack, stack and snack.

Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.

All 21 five-letter words ending in ACK

  • aback13adv. By surprise; startled; dumbfounded. (see usage).
  • alack11interj. An expression of sorrow or mourning.
  • black13adj. Absorbing all light and reflecting none; dark and hueless.
  • brack13n. An opening caused by the parting of a solid body; a crack or breach.
  • chack16v. To toss up the head frequently, as a horse to avoid the restraint of...
  • clack13n. An abrupt, sharp sound, especially one made by two hard objects...
  • crack13v. To form cracks.
  • flack14v. To hang loosely; flag.
  • frack14v. To employ hydraulic fracturing (fracking).
  • knack15n. A readiness in performance; aptness at doing something.
  • plack13n. A coin issued by James III of Scotland; also a 15th-16th century...
  • quack20n. The vocalisation made by a duck.
  • shack14n. A crude, roughly built hut or cabin.
  • slack11n. The part of anything that hangs loose, having no strain upon it.
  • smack13n. A distinct flavor, especially if slight.
  • snack11n. A light meal.
  • stack11n. A large pile of hay, grain, straw, or the like, larger at the bottom...
  • thack14v. To strike or thump (someone or something); to thwack.
  • track11n. A mark left by something that has passed along.
  • whack17n. The sound of a heavy strike.
  • wrack14n. The remains of something; a wreck.
4 rare five-letter words ending in ACK

Questions about these words

How many five-letter words ending in ACK are there?
Word.ws lists 21 five-letter words ending in ACK, plus 4 rare ones.
What are common five-letter words ending in ACK?
black, track, crack, stack, snack, slack, smack and shack.
Which of the five-letter words ending in ACK has the highest letter score?
quack scores 20 points with the standard letter tile values.

Related word lists

Source and license

Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.

Cite this page: “5-Letter Words Ending in ACK: 21 Words.” Word.ws, https://word.ws/words/5-letter/ending-in-ack. Based on Wiktionary, CC BY-SA 4.0.