VoIP
"voip" is a 4-letter English headword indexed on PlainSpell.
The verdict
“VoIP” is a moderately-common English word, ranked #31,825 in English word frequency and used as a proper noun.
- #31,825
- frequency rank, English
- 4
- letters
- 5
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Voice over Internet Protocol, a telecommunications system that uses the Internet or other Internet Protocol network to transmit telephone calls.
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 | VoIP |
| Language | English |
| Part of speech | Proper noun |
| Letters | 4 |
| Frequency rank | #31,825 |
| Misspellings tracked | 5 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “VoIP” sits in English frequency
Spelling & Dictionary Insight
The English entry for VoIP is 4 letters long, classified as a proper noun. Corpus data places it at rank #31,825 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Voice over Internet Protocol, a telecommunications system that uses the Internet or other Internet Protocol network to transmit telephone calls.".
Our generated misspelling index lists 5 likely wrong-spelling variants for VoIP, with forms such as "ovip", "viop", and "voipp". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "VP", "vol", "vow", and more, where similar look or sound leads writers to substitute one word for another in context.
This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is VoIP, spelled V-O-I-P.
Definition
- 1Voice over Internet Protocol, a telecommunications system that uses the Internet or other Internet Protocol network to transmit telephone calls.
Common misspellings
Also misspelled as: ovip,viop,voipp,vopi,vvoip
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of VoIP - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 “VoIP”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is V-O-I-P - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “VP” - see the side-by-side comparison. VoIP vs VP
- 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.