testable
/ˈtɛs.tə.bəl/
"testable" is a 8-letter English headword indexed on PlainSpell.
The verdict
“testable” is uncommon English (frequency #54,528 among 3,151 “T” headwords), classed as an adjective. The kind of spelling people second-guess.
- #54,528
- frequency rank, English
- 3,151
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Susceptible to being tested.
Corpus desk
Index EN-testable · testable · English
testable · rank #54,528 · 0 variants · 0 confusables
- FREQ-RARE #54,528
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,151
- PHOTO-FINISH termini
Nearest frequency peer: termini (-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.
Long-tail ranks near “testable”
Sparse band: bars invert rank so rarer forms read shorter
- tarragon
tarragon
45,477 corpus weight
- termini
termini
45,474 corpus weight
- testable
testable
45,473 corpus weight
- tetracycline
tetracycline
45,472 corpus weight
- tew
tew
45,471 corpus weight
- thirtieth
thirtieth
45,468 corpus weight
What this shows Long-tail view: where “testable” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | testable |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈtɛs.tə.bəl/ |
| Letters | 8 |
| Frequency rank | #54,528 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “testable” in English
Rare enough to double-check
testable is uncommon English at frequency #54,528 among 3,151 “T” headwords, classed as anadjective, transcribed /ˈtɛs.tə.bəl/. Rarity is why readers land here mid-draft. 3 senses are on record.
No generated misspelling entries exist for testable in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From test + -able. The correct English form is testable, spelled T-E-S-T-A-B-L-E.
Definition
- 1Susceptible to being tested.
- 2With respect to the scientific method, capable of being proven true or false.
- 3Capable of being devised, or given by will.
Recorded use
Wiktionary exampleThese source excerpts show how testable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
We have identified an miR-1246 target site in the noncoding region of F8 mRNA and were able to confirm the suppressory role of hsa-miR-1246 on F8 expression in a stable lymphoblastoid cell line expressing FVIII. These findings suggest several testable hypotheses vis-à-vis the role of nc-RNAs in the regulation of F8 expression.
Etymology
From test + -able.
Antonyms
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 "testable", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).