serotonin
/ˌsɛɹəˈtəʊnɪn/
"serotonin" is a 9-letter English headword indexed on PlainSpell.
The verdict
“serotonin” has 13 generated spelling variants in the English index at frequency #20,769. The variants make it a useful spelling check.
- #20,769
- frequency rank, English
- 54,294
- “S” headwords
- 13
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.
| Property | Value |
|---|---|
| Headword | serotonin |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌsɛɹəˈtəʊnɪn/ |
| Letters | 9 |
| Frequency rank | #20,769 |
| Misspellings tracked | 13 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “serotonin” sits in English frequency
A misspelling magnet
The generator records 13 spelling variants around serotonin (IPA /ˌsɛɹəˈtəʊnɪn/), anoun. Corpus frequency is #20,769 among 54,294 “S” headwords. Dominant gloss: "An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.".
Our generated misspelling index lists 13 likely wrong-spelling variants for serotonin, with forms such as "esrotonin", "seortonin", and "serootnin". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From sero- + tone + -in. The correct English form is serotonin, spelled S-E-R-O-T-O-N-I-N.
Definition
- 1An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.
Etymology
From sero- + tone + -in.
Synonyms
This word in other languages
Common misspellings
Also misspelled as:
- esrotonin
- seortonin
- serootnin
- serotnoin
- serotoinn
- serotoninn
- serotonni
- serotonnin
- serottonin
- serrotonin
- sertoonin
- sreotonin
- sserotonin
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of serotonin - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "serotonin"?
What does "serotonin" mean?
What are common misspellings of "serotonin"?
How do you pronounce "serotonin"?
What is the origin of the word "serotonin"?
Is PlainSpell free to use?
Using “serotonin”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-E-R-O-T-O-N-I-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˌsɛɹəˈtəʊnɪn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Same frequency band
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.