skimvsslamWhat's the difference?

Which to use

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

#23,397
“skim” frequency rank
#6,961
“slam” frequency rank
30358
confusion score

Side-by-Side Comparison

Feature skim slam
Definition To pass lightly; to glide along in an even, smooth course; to glide along near the surface. To shut with sudden force so as to produce a shock and noise.

Where the eye mixes skim and slam

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
skim
4 ch
slam

Why the eye confuses skim with slam

A purely visual mix-up. skim (/skɪm/) and slam (/slæm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 30358, derived from the frequency rank of both members and their visual similarity.

skim is recorded at frequency rank #23,397, classified as averb, pronounced /skɪm/. slam is at rank #6,961, tagged as averb, pronounced /slæm/.

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 30358, this pair ranks #355,188 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of skim vs slam

Shared letters: ms. Private to "skim": ik. Private to "slam": al.

"skim" · 4 letters · shape CCVC  ·  "slam" · 4 letters · shape CCVC

Known mistypes of this pair

  • skimksim · sikm · skimm · skkim · skmi · sskim
  • slamlsam · salm · slamm · sllam · slma · sslam

Frequently Asked Questions

Do "skim" and "slam" mean the same thing in a sentence?
No. They are said differently (/skɪm/ versus /slæm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "skim" vs "slam" - which ranks higher?
"slam" is the more common of the two: it sits at frequency rank #6,961 in our English list, against #23,397 for "skim". 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 "skim" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "slam" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #355,188 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "skim" and "slam" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs skim". 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 #355,188 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