alto

/ˈæl.təʊ/

//ˈæl.təʊ// noun

"alto" is a 4-letter English headword indexed on PlainSpell.

The verdict

“alto” sits in 20 confusable pairs (corpus #15,565) as a noun. The look-alike neighbours are the real trap.

#15,565
frequency rank, English
3,931
“A” headwords
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - 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.

Corpus desk

Index EN-alto · alto · English

alto · rank #15,565 · 4 variants · 20 confusables

  • FREQ-MID #15,565
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-LOW 4 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH alleging

Nearest frequency peer: alleging (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbours of confusable “alto”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “alto” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

alto vs at
50% similar
alto vs ao
50% similar
alto vs art
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for alto
PropertyValue
Headwordalto
LanguageEnglish
Part of speechNoun
IPA/ˈæl.təʊ/
Letters4
Frequency rank#15,565
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “alto”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).altolands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “alleging” (#15,564), “Ambrose” (#15,566), “Alberto” (#15,563). Among 3,931 “A” headwords, “alto” is #15,565. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for alto is neighbouring look-alikes ("at", "ao", …), not just typos; it is anoun pronounced /ˈæl.təʊ/. Frequency #15,565 among 3,931 “A” headwords. 3 recorded senses keep meaning in play.

Our generated misspelling index lists 4 likely wrong-spelling variants for alto, with forms such as "allto", "altto", and "atlo". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "at", "ao", "art", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from Italian alto (“high”). Doublet of old. The correct English form is alto, spelled A-L-T-O.

Definition

  1. 1
    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.
  2. 2
    A person or musical instrument that performs the alto part.
  3. 3
    An alto saxophone.

Etymology

Borrowed from Italian alto (“high”). Doublet of old.

Synonyms

contratenor altushigh countertenor

This word in other languages

Common misspellings

Also misspelled as:

  • allto
  • altto
  • atlo
  • lato

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of alto - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

allto1altto1atlo2lato2
Edit distance from "alto"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "alto"?
"alto" is spelled A-L-T-O. The IPA pronunciation is /ˈæl.təʊ/.
What does "alto" mean?
As a noun, "alto" means: 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.
What words are commonly confused with "alto"?
"alto" is commonly confused with "at", "ao", "art". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "alto"?
The IPA (International Phonetic Alphabet) transcription for "alto" is /ˈæl.təʊ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "alto"?
Borrowed from Italian alto (“high”). Doublet of old. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "alto", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list