alco

noun

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

The verdict

“alco” is uncommon English (frequency #77,390 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#77,390
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A small South American dog, domesticated by the natives, now thought to be extinct.

Corpus desk

Index EN-alco · alco · English

alco · rank #77,390 · 0 variants · 0 confusables

  • FREQ-RARE #77,390
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Alcan

Nearest frequency peer: Alcan (-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.

Long-tail ranks near “alco”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “alco” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for alco
PropertyValue
Headwordalco
LanguageEnglish
Part of speechNoun
Letters4
Frequency rank#77,390
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “alco” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).alcofalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Alcan” (#77,389), “Aldeburgh” (#77,391), “Alessi” (#77,393). Among 3,931 “A” headwords, “alco” is #77,390. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

alco is uncommon English at frequency #77,390 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A small South American dog, domesticated by the natives, now thought to be extinct.".

Zero misspellings are on record for alco in our index, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is alco, spelled A-L-C-O.

Definition

  1. 1
    A small South American dog, domesticated by the natives, now thought to be extinct.

Recorded use

Wiktionary example

These source excerpts show how alco appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. 1803, John Browne Cutting, “A Succinct History of Jamaica” in Robert Charles Dallas, The History of the Maroons, London: Longman and Rees, Volume 1, pp. lxxviii-lxxix, […] the alco, a mute little dog, caressing and sequacious, once loved and cherished by its poor Indian masters, is like them exterminated.

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 "alco"?
"alco" is spelled A-L-C-O.
What does "alco" mean?
As a noun, "alco" means: A small South American dog, domesticated by the natives, now thought to be extinct.
What language does "alco" come from?
"alco" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "alco", 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