Which to use
“sack” is a noun and “sucky” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,200
- “sack” frequency rank
- #46,799
- “sucky” frequency rank
- 54999
- confusion score
Side-by-Side Comparison
| Feature | sack | sucky |
|---|---|---|
| Definition | A bag; especially a large bag of strong, coarse material for storage and handling of various commodities, such as potatoes, coal, coffee; or, a bag with handles used at a supermarket, a grocery sack; or, a small bag for small items, a satchel. | Being something which sucks, which is unpleasant or inferior. |
Where the spellings diverge
Shared letters are muted; the letters that actually set sack and sucky apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
sack and sucky form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 54999, derived from the frequency rank of both members and their visual similarity.
sack is recorded at frequency rank #8,200, classified as anoun, pronounced /sæk/. sucky is at rank #46,799, tagged as anadj, pronounced /ˈsʌki/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 54999, this pair ranks #136,888 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "sack" and "sucky" be used interchangeably?
Remembering sack vs sucky
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “sack”; for an adjective, it's “sucky”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sack” entry
- Browse more pairs most likely to be confused. Most confusable