altcoin

noun

"altcoin" is a 7-letter English headword indexed on PlainSpell.

The verdict

“altcoin” is uncommon English (frequency #59,183 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#59,183
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A cryptocurrency other than bitcoin.

Corpus desk

Index EN-altcoin · altcoin · English

altcoin · rank #59,183 · 0 variants · 0 confusables

  • FREQ-RARE #59,183
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH amaro

Nearest frequency peer: amaro (+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 “altcoin”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for altcoin
PropertyValue
Headwordaltcoin
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#59,183
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “altcoin” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).altcoinfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “amaro” (#59,184), “Amazonia” (#59,185), “Allred” (#59,180). Among 3,931 “A” headwords, “altcoin” is #59,183. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

altcoin is uncommon English at frequency #59,183 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A cryptocurrency other than bitcoin.".

altcoin doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From alt- + coin. The correct English form is altcoin, spelled A-L-T-C-O-I-N.

Definition

  1. 1
    A cryptocurrency other than bitcoin.

Recorded use

Wiktionary examples

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

  1. Sure, like all the other altcoins, Dogecoin offers some variability, like a theoretical max of 100 billion versus 21 million, and a different proof-of-work algorithm, but we’re reaching Furby levels of ridiculousness here.
  2. Altcoins use either Scrypt or SHA256 encryption algorithm, because the 'project forks' are from either Litecoin or Bitcoin. […] A few crypto economists believed that Altcoins is contributed ^([sic]) to a diverse crypto commodities marketplace, which is good.

Etymology

From alt- + coin.

This word in other languages

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 "altcoin"?
"altcoin" is spelled A-L-T-C-O-I-N.
What does "altcoin" mean?
As a noun, "altcoin" means: A cryptocurrency other than bitcoin.
What is the origin of the word "altcoin"?
From alt- + coin. 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 "altcoin", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list