pinningvsplaningWhat's the difference?

Which to use

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

#24,544
“pinning” frequency rank
#39,030
“planing” frequency rank
63574
confusion score

Side-by-Side Comparison

Feature pinning planing
Definition present participle and gerund of pin present participle and gerund of plane

Where the eye mixes pinning and planing

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. pinning (CVCCVCC) and planing (CCVCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
pinning
7 ch
planing

Why the eye confuses pinning with planing

A purely visual mix-up. pinning (/ˈpɪnɪŋ/) and planing (/ˈpleɪnɪŋ/) 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 63574, derived from the frequency rank of both members and their visual similarity.

pinning is recorded at frequency rank #24,544, classified as averb, pronounced /ˈpɪnɪŋ/. planing is at rank #39,030, tagged as averb, pronounced /ˈpleɪnɪŋ/.

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 63574, this pair ranks #82,223 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of pinning vs planing

Shared letters: ginp. Private to "pinning": -. Private to "planing": al.

"pinning" · 7 letters · shape CVCCVCC  ·  "planing" · 7 letters · shape CCVCVCC

Known mistypes of this pair

  • pinning ← ipnning · pininng · pinnign · pinningg · pinninng · pinnnig · pnining · ppinning
  • planing ← lpaning · palning · plainng · planign · planingg · plannig · pllaning · plnaing

Frequently Asked Questions

Do "pinning" and "planing" mean the same thing in a sentence?
No. They are said differently (/ˈpɪnɪŋ/ versus /ˈpleɪnɪŋ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "pinning" or "planing" show up more?
"pinning" is the more common of the two: it sits at frequency rank #24,544 in our English list, against #39,030 for "planing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "pinning" and "planing" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "pinning" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "planing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #82,223 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pinning" and "planing" also get mixed up with nearby pairs, the highest-scored neighbour is "planing vs prancing". 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 #82,223 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