Which to use
“Isis” is a name and “issa” is a contraction - they look or sound alike but fill different roles in a sentence.
- #4,536
- “Isis” frequency rank
- #21,249
- “issa” frequency rank
- 25785
- confusion score
Side-by-Side Comparison
| Feature | Isis | issa |
|---|---|---|
| Definition | An ancient Egyptian goddess, the wife of Osiris and mother of Horus, worshiped as the ideal mother and wife and as the matron of nature and magic; also worshiped by (some) Greeks during the Hellenistic period and featured in Greek mythology, and by Romans involved in what was categorized as the Cult of Isis. | Contraction of it's + a. |
Where the eye mixes Isis and issa
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between Isis and issa
These two trip readers on the page rather than in the ear: Isis is /ˈaɪ.sɪs/ while issa is /ˈɪsə/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 25785, derived from the frequency rank of both members and their visual similarity.
Isis is recorded at frequency rank #4,536, classified as aname, pronounced /ˈaɪ.sɪs/. issa is at rank #21,249, tagged as acontraction, pronounced /ˈɪsə/.
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 25785, this pair ranks #391,636 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Isis vs issa
Shared letters: is. Private to "Isis": -. Private to "issa": a.
"Isis" · 4 letters · shape VCVC · "issa" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Can "Isis" and "issa" be used interchangeably?
Frequency check: "Isis" vs "issa" - which ranks higher?
What to do next
Eye-level mix-up between "Isis" and "issa" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Isis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "issa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #391,636 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Isis" and "issa" also get mixed up with nearby pairs, the highest-scored neighbour is "ISR vs issa". 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 #391,636 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.