Which to use
“ibis” is a noun and “ICS” is a name - they look or sound alike but fill different roles in a sentence.
- #35,763
- “ibis” frequency rank
- #28,246
- “ICS” frequency rank
- 64009
- confusion score
Side-by-Side Comparison
| Feature | ibis | ICS |
|---|---|---|
| Definition | Any of various long-legged wading birds in the family Threskiornithidae, having long downcurved bills used to probe the mud for prey such as crustaceans. | Initialism of Indy Car Series, the premier open-wheel racing series in the United States. |
Letter map: ibis vs ICS
Shared letters muted; letters that set ibis and ICS apart highlighted. Shared run: 2. ibis runs 4 letters (VCVC) against ICS's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: ibis vs ICS
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ibis is anoun and ICSaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 64009, derived from the frequency rank of both members and their visual similarity.
ibis is recorded at frequency rank #35,763, classified as anoun, pronounced /ˈaɪ.bɪs/. ICS is at rank #28,246, tagged as aname.
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 64009, this pair ranks #79,931 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ibis vs ICS
Shared letters: is. Private to "ibis": b. Private to "ICS": c.
"ibis" · 4 letters · shape VCVC · "ICS" · 3 letters · shape VCC
Known mistypes of this pair
- ibis ← biis · ibbis · ibiss · ibsi · iibs
Frequently Asked Questions
Is swapping "ibis" for "ICS" ever safe?
Which is more common, "ibis" or "ICS"?
After this comparison
Pair "ibis" vs "ICS" is on the table, pick a follow-up below.
- Full dictionary entry for "ibis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ICS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #79,931 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ibis" and "ICS" also get mixed up with nearby pairs, the highest-scored neighbour is "ibis vs ices". 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 #79,931 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.