gein

noun

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

The verdict

“gein” is uncommon English (frequency #91,557 among 2,313 “G” headwords), classed as a noun. The kind of spelling people second-guess.

#91,557
frequency rank, English
2,313
“G” headwords

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

Corpus desk

Index EN-gein · gein · English

gein · rank #91,557 · 0 variants · 0 confusables

  • FREQ-RARE #91,557
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,313
  • PHOTO-FINISH GCF

Nearest frequency peer: GCF (-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 “gein”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for gein
PropertyValue
Headwordgein
LanguageEnglish
Part of speechNoun
Letters4
Frequency rank#91,557
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “gein” 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).geinfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “GCF” (#91,556), “Gazan” (#91,555), “gentamicin” (#91,559). Among 2,313 “G” headwords, “gein” is #91,557. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

gein is uncommon English at frequency #91,557 among 2,313 “G” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Humic acid.".

Zero misspellings are on record for gein in our index, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Borrowed from German Geïn, coined by Jöns Jacob Berzelius in 1832, from Ancient Greek γήινος (gḗinos, “of earth”), from γῆ (gê, “earth”). The correct English form is gein, spelled G-E-I-N.

Definition

  1. 1
    Humic acid.

Recorded use

Wiktionary examples

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

  1. Hence, a most interesting conclusion—without salts and gein we have no vegetable production. The gein in solution is essential to fruit, and yet, without the salts, the insolubility of gein would leave the soil barren.
  2. The humic acid and other similar acids (ulmic, geïn, &c.) have a very strong affinity for ammonia, which itself is essential to the nourishment of forest growth, as plants have only a limited power of assimilating the free nitrogen of the air.

Etymology

Borrowed from German Geïn, coined by Jöns Jacob Berzelius in 1832, from Ancient Greek γήινος (gḗinos, “of earth”), from γῆ (gê, “earth”).

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 "gein"?
"gein" is spelled G-E-I-N.
What does "gein" mean?
As a noun, "gein" means: Humic acid.
What is the origin of the word "gein"?
Borrowed from German Geïn, coined by Jöns Jacob Berzelius in 1832, from Ancient Greek γήινος (gḗinos, “of earth”), from γῆ (gê, “earth”). 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 "gein", 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