slacksvsspacesWhat's the difference?

Which to use

“slacks” and “spaces” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#33,420
“slacks” frequency rank
#4,489
“spaces” frequency rank
37909
confusion score

Side-by-Side Comparison

Feature slacks spaces
Definition Semi-formal trousers which are less formal than those that are part of a suit but nowadays are considered suitable casualwear in most offices. (Takes a plural verb even when referring to a single pair; may be referred to as a pair of slacks.) plural of space

Letter map: slacks vs spaces

Shared letters muted; letters that set slacks and spaces apart highlighted. Shared run: 4.

6 ch
slacks
6 ch
spaces

Corpus notes: slacks and spaces

slacks and spaces are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 37909, derived from the frequency rank of both members and their visual similarity.

slacks is recorded at frequency rank #33,420, classified as anoun. spaces is at rank #4,489, tagged as anoun, pronounced /ˈspeɪsɪz/.

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 37909, this pair ranks #290,457 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of slacks vs spaces

Shared letters: acs. Private to "slacks": kl. Private to "spaces": ep.

"slacks" · 6 letters · shape CCVCCC  ·  "spaces" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • slackslsacks · salcks · slaccks · slackks · slackss · slacsk · slakcs · slcaks
  • spacespsaces · sapces · spacces · spacess · spacse · spaecs · spcaes · sppaces

Frequently Asked Questions

Do "slacks" and "spaces" mean the same thing in a sentence?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "slacks" vs "spaces" - which ranks higher?
"spaces" is the more common of the two: it sits at frequency rank #4,489 in our English list, against #33,420 for "slacks". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "slacks" and "spaces".

  • Full dictionary entry for "slacks" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "spaces" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #290,457 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "slacks" and "spaces" also get mixed up with nearby pairs, the highest-scored neighbour is "slacks vs Slates". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #290,457 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list