effectivity
/əˈfek.tɪv.ə.t̬i/
"effectivity" is a 11-letter English headword indexed on PlainSpell.
The verdict
“effectivity” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The ability or power to be effective.
| Property | Value |
|---|---|
| Headword | effectivity |
| Language | English |
| Part of speech | Noun |
| IPA | /əˈfek.tɪv.ə.t̬i/ |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “effectivity” sits in English frequency
Rare enough to double-check
effectivity is uncommon English outside the top frequency list, classed as anoun, transcribed /əˈfek.tɪv.ə.t̬i/. Rarity is why readers land here mid-draft. 3 senses are on record.
The misspelling generator found no plausible variants for effectivity, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From effective + -ity. The correct English form is effectivity, spelled E-F-F-E-C-T-I-V-I-T-Y.
Definition
- 1The ability or power to be effective.
- 2A measure of the effectiveness of something.
- 3[Technical documentation] An indication of the product, procedure, or timescale for which an item of information is applicable or effective.
Etymology
From effective + -ity.
This word in other languages
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.
Frequently Asked Questions
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Using “effectivity”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-F-F-E-C-T-I-V-I-T-Y - every other letter order is a misspelling in standard orthography.
- Say it as /əˈfek.tɪv.ə.t̬i/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.