substituent
[sʌbˈstɪtʃuənt]
"substituent" is a 11-letter English headword indexed on PlainSpell.
The verdict
“substituent” is uncommon English (frequency #82,819 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #82,819
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed.
Corpus desk
Index EN-substituent · substituent · English
substituent · rank #82,819 · 0 variants · 0 confusables
- FREQ-RARE #82,819
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH Stroh
Nearest frequency peer: Stroh (-2 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 “substituent”
Sparse band: bars invert rank so rarer forms read shorter
- stonemason
stonemason
17,188 corpus weight
- striven
striven
17,186 corpus weight
- stroganoff
stroganoff
17,185 corpus weight
- Stroh
Stroh
17,184 corpus weight
- substituent
substituent
17,182 corpus weight
- summative
summative
17,179 corpus weight
What this shows Long-tail view: where “substituent” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | substituent |
| Language | English |
| Part of speech | Noun |
| IPA | [sʌbˈstɪtʃuənt] |
| Letters | 11 |
| Frequency rank | #82,819 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “substituent” in English
Rare enough to double-check
substituent is uncommon English at frequency #82,819 among 6,566 “S” headwords, classed as anoun, transcribed [sʌbˈstɪtʃuənt]. Rarity is why readers land here mid-draft. 2 senses are on record.
No misspelling variants are generated for substituent in our index, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is substituent, spelled S-U-B-S-T-I-T-U-E-N-T.
Definition
- 1Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed.
- 2Pro-form.
Recorded use
Wiktionary examplesThese source excerpts show how substituent appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Other highly effective heterocyclic substituents were pyrazinyl and quinoxalyl.
From ethyleneoxides or ethyleneimines carrying an acyl substituent, with hydrazine and its derivatives (Ch. 3. XV).
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "substituent", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).