mesoderm

noun

"mesoderm" is a 8-letter English headword indexed on PlainSpell.

The verdict

“mesoderm” is uncommon English (frequency #76,121 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#76,121
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - One of the three tissue layers in the embryo of a metazoan animal, which will produce, through development, many internal organs of the adult, e.g. muscles, spine and the circulatory system.

Corpus desk

Index EN-mesoderm · mesoderm · English

mesoderm · rank #76,121 · 0 variants · 0 confusables

  • FREQ-RARE #76,121
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH mesenteric

Nearest frequency peer: mesenteric (-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 “mesoderm”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for mesoderm
PropertyValue
Headwordmesoderm
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#76,121
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “mesoderm” 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).mesodermfalls 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: “mesenteric” (#76,120), “Miggy” (#76,122), “menses” (#76,119). Among 4,057 “M” headwords, “mesoderm” is #76,121. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

mesoderm is uncommon English at frequency #76,121 among 4,057 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "One of the three tissue layers in the embryo of a metazoan animal, which will produce, through development, many internal organs of the adult, e.g. muscles, spine and the circulatory system.".

No generated misspelling entries exist for mesoderm in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From meso- + -derm. The correct English form is mesoderm, spelled M-E-S-O-D-E-R-M.

Definition

  1. 1
    One of the three tissue layers in the embryo of a metazoan animal, which will produce, through development, many internal organs of the adult, e.g. muscles, spine and the circulatory system.

Etymology

From meso- + -derm.

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 "mesoderm"?
"mesoderm" is spelled M-E-S-O-D-E-R-M.
What does "mesoderm" mean?
As a noun, "mesoderm" means: One of the three tissue layers in the embryo of a metazoan animal, which will produce, through development, many internal organs of the adult, e.g. muscles, spine and the circulatory system.
What is the origin of the word "mesoderm"?
From meso- + -derm. 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 "mesoderm", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list