tireless
"tireless" is a 8-letter English headword indexed on PlainSpell.
The verdict
“tireless” has 10 generated spelling variants in the English index at frequency #27,678. The variants make it a useful spelling check.
- #27,678
- frequency rank, English
- 27,828
- “T” headwords
- 10
- tracked misspellings
- 3
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Indefatigable, untiring and not yielding to fatigue
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 | tireless |
| Language | English |
| Part of speech | Adjective |
| Letters | 8 |
| Frequency rank | #27,678 |
| Misspellings tracked | 10 |
| Confusable pairs | 3 |
| Source | Wiktionary (kaikki.org) |
Where “tireless” sits in English frequency
A misspelling magnet
The generator records 10 spelling variants around tireless, anadjective. Corpus frequency is #27,678 among 27,828 “T” headwords. Dominant gloss: "Indefatigable, untiring and not yielding to fatigue".
Our generated misspelling index lists 10 likely wrong-spelling variants for tireless, with forms such as "itreless", "tierless", and "tireelss". 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, "tirelessly", "timeless", "tiredness", where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From tire (“to become sleepy or weary”) + -less The correct English form is tireless, spelled T-I-R-E-L-E-S-S.
Definition
- 1Indefatigable, untiring and not yielding to fatigue
Etymology
From tire (“to become sleepy or weary”) + -less
This word in other languages
Common misspellings
Also misspelled as: itreless,tierless,tireelss,tireles,tirelless,tirelses,tirleess,tirreless,trieless,ttireless
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of tireless - 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 “tireless”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-I-R-E-L-E-S-S - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “tirelessly” - see the side-by-side comparison. tireless vs tirelessly
- 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.