mannitol

noun

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

The verdict

“mannitol” is uncommon English (frequency #77,897 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#77,897
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A polyhydric alcohol, an isomer of sorbitol, found in nature and also manufactured for use in various applications (for example, as an artificial sweetener and as a medication for various indicatio...

Corpus desk

Index EN-mannitol · mannitol · English

mannitol · rank #77,897 · 0 variants · 0 confusables

  • FREQ-RARE #77,897
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH manju

Nearest frequency peer: manju (-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 “mannitol”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for mannitol
PropertyValue
Headwordmannitol
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#77,897
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “mannitol” 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).mannitolfalls 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: “manju” (#77,896), “Mandurah” (#77,895), “Manbij” (#77,894). Among 4,057 “M” headwords, “mannitol” is #77,897. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

mannitol is uncommon English at frequency #77,897 among 4,057 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A polyhydric alcohol, an isomer of sorbitol, found in nature and also manufactured for use in various applications (for example, as an artificial sweetener and as a medication for various indicatio...".

No generated misspelling entries exist for mannitol in our index, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From earlier mannite (from manna + -ite) + -ol. By surface analysis, mann(ose) + -itol. The correct English form is mannitol, spelled M-A-N-N-I-T-O-L.

Definition

  1. 1
    A polyhydric alcohol, an isomer of sorbitol, found in nature and also manufactured for use in various applications (for example, as an artificial sweetener and as a medication for various indications).

Etymology

From earlier mannite (from manna + -ite) + -ol. By surface analysis, mann(ose) + -itol.

Synonyms

E421 when used as a sweetener

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 "mannitol"?
"mannitol" is spelled M-A-N-N-I-T-O-L.
What does "mannitol" mean?
As a noun, "mannitol" means: A polyhydric alcohol, an isomer of sorbitol, found in nature and also manufactured for use in various applications (for example, as an artificial sweetener and as a medication for various indicatio...
What is the origin of the word "mannitol"?
From earlier mannite (from manna + -ite) + -ol. By surface analysis, mann(ose) + -itol. 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 "mannitol", 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