merisis

noun

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

The verdict

“merisis” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any form of growth; specifically, growth by increase in number of cells.

Key facts for merisis
PropertyValue
Headwordmerisis
LanguageEnglish
Part of speechNoun
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “merisis” sits in English frequency

merisis falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for merisis is 7 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Any form of growth; specifically, growth by increase in number of cells.".

Our edit-distance generator produced no likely misspellings for merisis, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Learned borrowing from Ancient Greek μερίς (merís, “part”) + -sis (forming nouns of action or progress) The correct English form is merisis, spelled M-E-R-I-S-I-S.

Definition

  1. 1
    Any form of growth; specifically, growth by increase in number of cells.

Etymology

Learned borrowing from Ancient Greek μερίς (merís, “part”) + -sis (forming nouns of action or progress)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "merisis"?
"merisis" is spelled M-E-R-I-S-I-S.
What does "merisis" mean?
As a noun, "merisis" means: Any form of growth; specifically, growth by increase in number of cells.
What is the origin of the word "merisis"?
Learned borrowing from Ancient Greek μερίς (merís, “part”) + -sis (forming nouns of action or progress) 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.

Using “merisis”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is M-E-R-I-S-I-S - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list