percussionvspermissionWhat's the difference?

Which to use

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

#17,920
“percussion” frequency rank
#3,015
“permission” frequency rank
20935
confusion score

Side-by-Side Comparison

Feature percussion permission
Definition The collision of two bodies in order to produce a sound. authorisation; consent (especially formal consent from someone in authority)

Where the spellings diverge

Shared letters are muted; the letters that actually set percussion and permission apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

10 ch
percussion
10 ch
permission

Spelling & Dictionary Insight

A purely visual mix-up. percussion (/pɚˈkʌʃən/) and permission (/pəˈmɪʃ.ən/) 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 20935, derived from the frequency rank of both members and their visual similarity.

percussion is recorded at frequency rank #17,920, classified as anoun, pronounced /pɚˈkʌʃən/. permission is at rank #3,015, tagged as anoun, pronounced /pəˈmɪʃ.ən/.

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 20935, this pair ranks #427,599 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of percussion vs permission

Shared letters: einoprs. Private to "percussion": cu. Private to "permission": m.

"percussion" · 10 letters · shape CVCCVCCVVC  ·  "permission" · 10 letters · shape CVCCVCCVVC

Known mistypes of this pair

  • percussioneprcussion · pecrussion · perccussion · percsusion · percusion · percusison · percussino · percussionn
  • permissioneprmission · pemrission · perimssion · permision · permisison · permissino · permissionn · permissoin

Frequency comparison

percussion#17,920
permission#3,015

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "percussion" and "permission" be used interchangeably?
No. They are said differently (/pɚˈkʌʃən/ versus /pəˈmɪʃ.ən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "percussion" or "permission"?
"permission" is the more common of the two: it sits at frequency rank #3,015 in our English list, against #17,920 for "percussion". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering percussion vs permission

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “percussion” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list