ASTM
"astm" is a 4-letter English headword indexed on PlainSpell.
The verdict
“ASTM” has 6 generated spelling variants in the English index at frequency #31,068. The variants make it a useful spelling check.
- #31,068
- frequency rank, English
- 3,931
- “A” headwords
- 6
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of American Society for Testing and Materials; former name of ASTM International.
Corpus desk
Index EN-astm · ASTM · English
ASTM · rank #31,068 · 6 variants · 20 confusables
- FREQ-MID #31,068
- LEN-MID 4 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-MID 6 variants
- BOOK-MID 3,931
- PHOTO-FINISH assemblage
Nearest frequency peer: assemblage (-1 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.
Rank peers near misspelling magnet “ASTM”
Same rarity band: useful when a typo lands on a peer headword
- Armitage
Armitage
68,936 corpus weight
- assemblage
assemblage
68,934 corpus weight
- ASTM
ASTM
68,933 corpus weight
- Astor
Astor
68,932 corpus weight
- astounded
astounded
68,931 corpus weight
- auld
auld
68,930 corpus weight
What this shows “ASTM” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.
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 | ASTM |
| Language | English |
| Part of speech | Proper noun |
| Letters | 4 |
| Frequency rank | #31,068 |
| Misspellings tracked | 6 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency seat of misspelling magnet “ASTM”
A misspelling magnet
The generator records 6 spelling variants around ASTM, aproper noun. Corpus frequency is #31,068 among 3,931 “A” headwords. Dominant gloss: "Initialism of American Society for Testing and Materials; former name of ASTM International.".
Our generated misspelling index lists 6 likely wrong-spelling variants for ASTM, with forms such as "asmt", "asstm", and "astmm". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "at", "ate", "ATM", and more, where similar look or sound leads writers to substitute one word for another in context.
This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is ASTM, spelled A-S-T-M.
Definition
- 1Initialism of American Society for Testing and Materials; former name of ASTM International.
Recorded use
Wiktionary exampleThese source excerpts show how ASTM appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Teams are required to clearly highlight the relevant specification or standard (e.g., ASTM number, VOC content) directly on the PDF for each material to demonstrate compliance. Provide PDFs of basic technical information for materials lacking specific requirements. For example, printouts from store websites or packaging showing material properties are acc…
Common misspellings
Also misspelled as:
- asmt
- asstm
- astmm
- asttm
- atsm
- satm
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of ASTM - 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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "ASTM", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (6 here; floor ≥5).