spacingvsspanningTell them apart

Quick tell: spacing is a verb, spanning is a noun, so they fill different roles in a sentence.

Which to use

“spacing” is a verb and “spanning” is a noun - they look or sound alike but fill different roles in a sentence.

#16,795
“spacing” frequency rank
#14,636
“spanning” frequency rank
31431
confusion score

Side-by-Side Comparison

Feature spacing spanning
Definition present participle and gerund of space The process by which something is spanned.

Letter map: spacing vs spanning

Shared letters muted; letters that set spacing and spanning apart highlighted. Shared run: 6.

7 ch
spacing
8 ch
spanning

Grammar separator: spacing vs spanning

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: spacing is averb and spanninganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31431, derived from the frequency rank of both members and their visual similarity.

spacing is recorded at frequency rank #16,795, classified as averb, pronounced /ˈspeɪsɪŋ/. spanning is at rank #14,636, tagged as anoun.

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 31431, this pair ranks #346,215 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of spacing vs spanning

Shared letters: aginps. Private to "spacing": c. Private to "spanning": -.

"spacing" · 7 letters · shape CCVCVCC  ·  "spanning" · 8 letters · shape CCVCCVCC

Known mistypes of this pair

  • spacingpsacing · sapcing · spaccing · spacign · spacingg · spacinng · spacnig · spaicng
  • spanningpsanning · sapnning · spaning · spaninng · spannign · spanningg · spanninng · spannnig

Frequently Asked Questions

Do "spacing" and "spanning" mean the same thing in a sentence?
No - they are not even the same part of speech. "spacing" is a verb and "spanning" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "spacing" or "spanning" show up more?
"spanning" is the more common of the two: it sits at frequency rank #14,636 in our English list, against #16,795 for "spacing". 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 "spacing" and "spanning".

  • Full dictionary entry for "spacing" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "spanning" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #346,215 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "spacing" and "spanning" also get mixed up with nearby pairs, the highest-scored neighbour is "shunning vs spanning". 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 #346,215 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