Mendelian

adj

"mendelian" is a 9-letter English headword indexed on PlainSpell.

The verdict

“Mendelian” is uncommon English (frequency #78,818 among 36,575 “M” headwords), classed as an adjective. The kind of spelling people second-guess.

#78,818
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of or relating to Gregor Mendel or his theories of genetics

Corpus desk

Index EN-mendelian · Mendelian · English

Mendelian · rank #78,818 · 0 variants · 0 confusables

  • FREQ-RARE #78,818
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 36,575
  • PHOTO-FINISH meritocratic

Nearest frequency peer: meritocratic (+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 neighbourhood for “Mendelian”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “Mendelian” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for Mendelian
PropertyValue
HeadwordMendelian
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#78,818
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Mendelian” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Mendelian is uncommon English at frequency #78,818 among 36,575 “M” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.

Mendelian doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Mendel + -ian. The correct English form is Mendelian, spelled M-E-N-D-E-L-I-A-N.

Definition

  1. 1
    Of or relating to Gregor Mendel or his theories of genetics
  2. 2
    Following Gregor Mendel's laws of intergenerational gene transmission.
  3. 3
    Of or relating to Mendel's laws of gene transmission.

Etymology

From Mendel + -ian.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "Mendelian"?
"Mendelian" is spelled M-E-N-D-E-L-I-A-N.
What does "Mendelian" mean?
As an adjective, "Mendelian" means: Of or relating to Gregor Mendel or his theories of genetics
What is the origin of the word "Mendelian"?
From Mendel + -ian. 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 "Mendelian", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list