slackvssolaceWhich spelling fits?

Which to use

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

#11,118
“slack” frequency rank
#20,228
“solace” frequency rank
31346
confusion score

Side-by-Side Comparison

Feature slack solace
Definition The part of anything that hangs loose, having no strain upon it. Comfort or consolation in a time of loneliness or distress.

Where the eye mixes slack and solace

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
slack
6 ch
solace

Visual trap between slack and solace

A purely visual mix-up. slack (/slæk/) and solace (/ˈsɒl.ɪs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31346, derived from the frequency rank of both members and their visual similarity.

slack is recorded at frequency rank #11,118, classified as anoun, pronounced /slæk/. solace is at rank #20,228, tagged as anoun, pronounced /ˈsɒl.ɪs/.

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 31346, this pair ranks #346,925 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of slack vs solace

Shared letters: acls. Private to "slack": k. Private to "solace": eo.

"slack" · 5 letters · shape CCVCC  ·  "solace" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • slacklsack · salck · slacck · slackk · slakc · slcak · sllack · sslack
  • solaceoslace · sloace · soalce · solacce · solaec · solcae · sollace · ssolace

Frequently Asked Questions

Can "slack" and "solace" be used interchangeably?
No. They are said differently (/slæk/ versus /ˈsɒl.ɪs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "slack" or "solace" show up more?
"slack" is the more common of the two: it sits at frequency rank #11,118 in our English list, against #20,228 for "solace". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "slack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "solace" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #346,925 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "slack" and "solace" also get mixed up with nearby pairs, the highest-scored neighbour is "solace vs solute". 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 #346,925 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