supplementation
"supplementation" is a 15-letter English headword indexed on PlainSpell.
The verdict
“supplementation” has 22 generated spelling variants in the English index at frequency #30,996. The variants make it a useful spelling check.
- #30,996
- frequency rank, English
- 54,294
- “S” headwords
- 22
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of supplementing
| Property | Value |
|---|---|
| Headword | supplementation |
| Language | English |
| Part of speech | Noun |
| Letters | 15 |
| Frequency rank | #30,996 |
| Misspellings tracked | 22 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “supplementation” sits in English frequency
A misspelling magnet
The generator records 22 spelling variants around supplementation, anoun. Corpus frequency is #30,996 among 54,294 “S” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 22 likely wrong-spelling variants for supplementation, with forms such as "spuplementation", "ssupplementation", and "suplementation". 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. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From supplement + -ation. The correct English form is supplementation, spelled S-U-P-P-L-E-M-E-N-T-A-T-I-O-N.
Definition
- 1The act of supplementing
- 2Something added as a supplement
Etymology
From supplement + -ation.
Common misspellings
Also misspelled as:
- spuplementation
- ssupplementation
- suplementation
- suplpementation
- suppelmentation
- suppleemntation
- supplemenattion
- supplemenntation
- supplementaiton
- supplementasion
- supplementatino
- supplementationn
- supplementatoin
- supplementattion
- supplementtaion
- supplementtation
- supplemetnation
- supplemmentation
- supplemnetation
- suppllementation
- supplmeentation
- uspplementation
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of supplementation - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "supplementation"?
What does "supplementation" mean?
What are common misspellings of "supplementation"?
What is the origin of the word "supplementation"?
Is PlainSpell free to use?
Using “supplementation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-U-P-P-L-E-M-E-N-T-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- 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.