scannervsspannerWhich spelling fits?

Which to use

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

#13,805
“scanner” frequency rank
#48,499
“spanner” frequency rank
62304
confusion score

Side-by-Side Comparison

Feature scanner spanner
Definition One who scans. A hand tool for adjusting nuts and bolts.

Where the eye mixes scanner and spanner

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
scanner
7 ch
spanner

Visual trap between scanner and spanner

A purely visual mix-up. scanner (/ˈskænɚ/) and spanner (/ˈspæn.ə/) 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 a single letter - c in “scanner” becomes p in “spanner”. Our composite confusion score for this pair is 62304, derived from the frequency rank of both members and their visual similarity.

scanner is recorded at frequency rank #13,805, classified as anoun, pronounced /ˈskænɚ/. spanner is at rank #48,499, tagged as anoun, pronounced /ˈspæn.ə/.

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 62304, this pair ranks #89,268 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of scanner vs spanner

Shared letters: aenrs. Private to "scanner": c. Private to "spanner": p.

"scanner" · 7 letters · shape CCVCCVC  ·  "spanner" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • scannercsanner · sacnner · scanenr · scaner · scannerr · scannre · sccanner · scnaner
  • spannerpsanner · sapnner · spanenr · spaner · spannerr · spannre · spnaner · sppanner

Frequently Asked Questions

Is swapping "scanner" for "spanner" ever safe?
No. They are said differently (/ˈskænɚ/ versus /ˈspæn.ə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "scanner" or "spanner"?
"scanner" is the more common of the two: it sits at frequency rank #13,805 in our English list, against #48,499 for "spanner". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "scanner" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "spanner" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #89,268 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "scanner" and "spanner" also get mixed up with nearby pairs, the highest-scored neighbour is "spanner vs Spenser". 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 #89,268 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