Which to use
“Addis” is a name and “addon” is a noun - they look or sound alike but fill different roles in a sentence.
- #25,650
- “Addis” frequency rank
- #45,188
- “addon” frequency rank
- 70838
- confusion score
Side-by-Side Comparison
| Feature | Addis | addon |
|---|---|---|
| Definition | A surname originating as a patronymic. | Alternative form of add-on. |
Letter map: Addis vs addon
Shared letters muted; letters that set Addis and addon apart highlighted. Shared run: 3.
Role in the sentence - Addis and addon
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Addis is aname and addonanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 70838, derived from the frequency rank of both members and their visual similarity.
Addis is recorded at frequency rank #25,650, classified as aname. addon is at rank #45,188, tagged as anoun.
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 70838, this pair ranks #49,023 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of Addis vs addon
Shared letters: ad. Private to "Addis": is. Private to "addon": no.
"Addis" · 5 letters · shape VCCVC · "addon" · 5 letters · shape VCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Addis" for "addon" ever safe?
In ordinary English text, does "Addis" or "addon" show up more?
Useful next steps
Pair "Addis" vs "addon" is on the table, pick a follow-up below.
- Full dictionary entry for "Addis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "addon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,023 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Addis" and "addon" also get mixed up with nearby pairs, the highest-scored neighbour is "addon vs Ando". 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 #49,023 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.