rationalist
"rationalist" is a 11-letter English headword indexed on PlainSpell.
The verdict
“rationalist” is a moderately-common English word, ranked #49,581 in English word frequency and used as a noun.
- #49,581
- frequency rank, English
- 11
- letters
- 16
- tracked misspellings
- 3
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A person who follows the philosophy of rationalism.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | rationalist |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #49,581 |
| Misspellings tracked | 16 |
| Confusable pairs | 3 |
| Source | Wiktionary (kaikki.org) |
Where “rationalist” sits in English frequency
Spelling & Dictionary Insight
The English entry for rationalist is 11 letters long, classified as a noun. Corpus data places it at rank #49,581 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 16 likely wrong-spelling variants for rationalist, with forms such as "artionalist", "raitonalist", and "ratinoalist". 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. It also participates in 3 confusable-pair relationships, "rationality", "rationalize", "rationalism", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From Middle French rationaliste; rational + -ist. The correct English form is rationalist, spelled R-A-T-I-O-N-A-L-I-S-T.
Definition
- 1A person who follows the philosophy of rationalism.
- 2A member of the rationalist community.
Etymology
From Middle French rationaliste; rational + -ist.
Antonyms
Common misspellings
Also misspelled as: artionalist,raitonalist,ratinoalist,ratioanlist,rationailst,rationalisst,rationalistt,rationalits,rationallist,rationalsit,rationlaist,rationnalist,ratoinalist,rattionalist,rrationalist,rtaionalist
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of rationalist - 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
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Using “rationalist”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is R-A-T-I-O-N-A-L-I-S-T - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “rationality” - see the side-by-side comparison. rationalist vs rationality
- 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.