costless
"costless" is a 8-letter English headword indexed on PlainSpell.
The verdict
“costless” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having no cost, or at least no cost paid for at the point of sale.
Corpus desk
Index EN-costless · costless · English
costless · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "C" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | costless |
| Language | English |
| Part of speech | Adjective |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “costless” in English
Rare enough to double-check
costless is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Having no cost, or at least no cost paid for at the point of sale.".
costless doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From cost + -less. Compare Dutch kosteloos (“costless, free”). The correct English form is costless, spelled C-O-S-T-L-E-S-S.
Definition
- 1Having no cost, or at least no cost paid for at the point of sale.
Etymology
From cost + -less. Compare Dutch kosteloos (“costless, free”).
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.