Which to use
“institution” and “institutions” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,565
- “institution” frequency rank
- #2,583
- “institutions” frequency rank
- 6148
- confusion score
Side-by-Side Comparison
| Feature | institution | institutions |
|---|---|---|
| Definition | A custom or practice of a society or community. | plural of institution |
Where the eye mixes institution and institutions
Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. institution runs 11 letters (VCCCVCVCVVC) against institutions's 12 (VCCCVCVCVVCC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: institution vs institutions
A purely visual mix-up. institution (/ˌɪn.stɪˈtʃuː.ʃən/) and institutions (/ˌɪn.stɪˈtjuː.ʃənz/) 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 extra letter(s) - “institution” sits inside “institutions”. Our composite confusion score for this pair is 6148, derived from the frequency rank of both members and their visual similarity.
institution is recorded at frequency rank #3,565, classified as anoun, pronounced /ˌɪn.stɪˈtʃuː.ʃən/. institutions is at rank #2,583, tagged as anoun, pronounced /ˌɪn.stɪˈtjuː.ʃənz/.
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 6148, this pair ranks #512,544 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of institution vs institutions
Shared letters: inostu. Private to "institution": -. Private to "institutions": -.
"institution" · 11 letters · shape VCCCVCVCVVC · "institutions" · 12 letters · shape VCCCVCVCVVCC
Known mistypes of this pair
- institution ← innstitution · insittution · insstitution · instittuion · instittution · instituiton · institusion · institutino
- institutions ← innstitutions · insittutions · insstitutions · instittuions · instittutions · instituitons · institutinos · institutionns
Frequently Asked Questions
Is swapping "institution" for "institutions" ever safe?
Which is more common, "institution" or "institutions"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "institution" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "institutions" - compare definitions side by side with the headword page. Word entry
- This pair ranks #512,544 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "institution" and "institutions" also get mixed up with nearby pairs, the highest-scored neighbour is "instigation vs institution". 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 #512,544 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.