injectionvsinjunctionWhat's the difference?

Which to use

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

#7,238
“injection” frequency rank
#15,431
“injunction” frequency rank
22669
confusion score

Side-by-Side Comparison

Feature injection injunction
Definition The act of injecting, or something that is injected. The act of enjoining; the act of directing, commanding, or prohibiting.

Where the eye mixes injection and injunction

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. injection runs 9 letters (VCCVCCVVC) against injunction's 10 (VCCVCCCVVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
injection
10 ch
injunction

Visual trap between injection and injunction

A purely visual mix-up. injection (/ɪnˈd͡ʒɛk.ʃən/) and injunction (/ɪnˈd͡ʒʌŋk.ʃən/) 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 1 letter(s) in length. Our composite confusion score for this pair is 22669, derived from the frequency rank of both members and their visual similarity.

injection is recorded at frequency rank #7,238, classified as anoun, pronounced /ɪnˈd͡ʒɛk.ʃən/. injunction is at rank #15,431, tagged as anoun, pronounced /ɪnˈd͡ʒʌŋk.ʃən/.

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 22669, this pair ranks #414,875 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of injection vs injunction

Shared letters: cijnot. Private to "injection": e. Private to "injunction": u.

"injection" · 9 letters · shape VCCVCCVVC  ·  "injunction" · 10 letters · shape VCCVCCCVVC

Known mistypes of this pair

  • injection ← ijnection · inejction · injcetion · injecction · injeciton · injecsion · injectino · injectionn
  • injunction ← ijnunction · injjunction · injnuction · injucntion · injuncction · injunciton · injuncsion · injunctino

Frequently Asked Questions

Is swapping "injection" for "injunction" ever safe?
No. They are said differently (/ɪnˈd͡ʒɛk.ʃən/ versus /ɪnˈd͡ʒʌŋk.ʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "injection" or "injunction" show up more?
"injection" is the more common of the two: it sits at frequency rank #7,238 in our English list, against #15,431 for "injunction". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "injection" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "injunction" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #414,875 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "injection" and "injunction" also get mixed up with nearby pairs, the highest-scored neighbour is "injection vs injector". 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 #414,875 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