oscilloscope
/əˈsɪl.ɪ.skəʊp/
"oscilloscope" is a 12-letter English headword indexed on PlainSpell.
The verdict
“oscilloscope” is uncommon English (frequency #59,592 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #59,592
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An electronic measuring instrument that creates a visible two-dimensional graph, on a screen, of one or more continuously varying voltages or currents.
| Property | Value |
|---|---|
| Headword | oscilloscope |
| Language | English |
| Part of speech | Noun |
| IPA | /əˈsɪl.ɪ.skəʊp/ |
| Letters | 12 |
| Frequency rank | #59,592 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “oscilloscope” sits in English frequency
Rare enough to double-check
oscilloscope is uncommon English at frequency #59,592 among 15,494 “O” headwords, classed as anoun, transcribed /əˈsɪl.ɪ.skəʊp/. Rarity is why readers land here mid-draft. Gloss: "An electronic measuring instrument that creates a visible two-dimensional graph, on a screen, of one or more continuously varying voltages or currents.".
The misspelling generator found no plausible variants for oscilloscope, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From oscillo- + -scope. The correct English form is oscilloscope, spelled O-S-C-I-L-L-O-S-C-O-P-E.
Definition
- 1An electronic measuring instrument that creates a visible two-dimensional graph, on a screen, of one or more continuously varying voltages or currents.
Etymology
From oscillo- + -scope.
Synonyms
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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
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Using “oscilloscope”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-S-C-I-L-L-O-S-C-O-P-E - every other letter order is a misspelling in standard orthography.
- Say it as /əˈsɪl.ɪ.skəʊp/ (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
Other uncommon English words near this rank
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.