ology
/ˈɒ.lə.d͡ʒɪ/
"ology" is a 5-letter English headword indexed on PlainSpell.
The verdict
“ology” is uncommon English (frequency #94,074 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #94,074
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any branch of learning, especially one ending in “-logy”.
| Property | Value |
|---|---|
| Headword | ology |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɒ.lə.d͡ʒɪ/ |
| Letters | 5 |
| Frequency rank | #94,074 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “ology” sits in English frequency
Rare enough to double-check
ology is uncommon English at frequency #94,074 among 15,494 “O” headwords, classed as anoun, transcribed /ˈɒ.lə.d͡ʒɪ/. Rarity is why readers land here mid-draft. Gloss: "Any branch of learning, especially one ending in “-logy”.".
No generated misspelling entries exist for ology in our index, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From the suffix -ology in the names of many sciences. The correct English form is ology, spelled O-L-O-G-Y.
Definition
- 1Any branch of learning, especially one ending in “-logy”.
Etymology
From the suffix -ology in the names of many sciences.
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 “ology”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-L-O-G-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˈɒ.lə.d͡ʒɪ/ (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.