Which to use
“altho” is a conjunction and “alto” is a noun - they look or sound alike but fill different roles in a sentence.
- #44,055
- “altho” frequency rank
- #15,565
- “alto” frequency rank
- 59620
- confusion score
Side-by-Side Comparison
| Feature | altho | alto |
|---|---|---|
| Definition | Alternative spelling of although. | A musical part or section higher than tenor and lower than soprano, formerly the part that performed a countermelody above the tenor or main melody. |
Letter map: altho vs alto
Shared letters muted; letters that set altho and alto apart highlighted. Shared run: 4. altho runs 5 letters (VCCCV) against alto's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - altho and alto
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: altho is aconjunction and altoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59620, derived from the frequency rank of both members and their visual similarity.
altho is recorded at frequency rank #44,055, classified as aconj. alto is at rank #15,565, tagged as anoun, pronounced /ˈæl.təʊ/.
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 59620, this pair ranks #105,078 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of altho vs alto
Shared letters: alot. Private to "altho": h. Private to "alto": -.
"altho" · 5 letters · shape VCCCV · "alto" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "altho" for "alto" ever safe?
In ordinary English text, does "altho" or "alto" show up more?
Useful next steps
Pair "altho" vs "alto" is on the table, pick a follow-up below.
- Full dictionary entry for "altho" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #105,078 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "altho" and "alto" also get mixed up with nearby pairs, the highest-scored neighbour is "algo vs altho". 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 #105,078 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.