Which to use
“peri” and “period” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,415
- “peri” frequency rank
- #623
- “period” frequency rank
- 30038
- confusion score
Side-by-Side Comparison
| Feature | peri | period |
|---|---|---|
| Definition | A sprite or supernatural being. | A length of time. |
Where the eye mixes peri and period
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. peri (/ˈpɪə.ɹi/) and period (/ˈpɪə.ɹi.əd/) 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 2 extra letter(s) - “peri” sits inside “period”. Our composite confusion score for this pair is 30038, derived from the frequency rank of both members and their visual similarity.
peri is recorded at frequency rank #29,415, classified as anoun, pronounced /ˈpɪə.ɹi/. period is at rank #623, tagged as anoun, pronounced /ˈpɪə.ɹi.əd/.
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 30038, this pair ranks #357,869 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of peri vs period
Shared letters: eipr. Private to "peri": -. Private to "period": do.
"peri" · 4 letters · shape CVCV · "period" · 6 letters · shape CVCVVC