hydrogeology
"hydrogeology" is a 12-letter English headword indexed on PlainSpell.
The verdict
“hydrogeology” is uncommon English (frequency #97,126 among 23,837 “H” headwords), classed as a noun. The kind of spelling people second-guess.
- #97,126
- frequency rank, English
- 23,837
- “H” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The geology of groundwater, especially concerning the physical, biological and chemical properties of its occurrence and movement.
| Property | Value |
|---|---|
| Headword | hydrogeology |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #97,126 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “hydrogeology” sits in English frequency
Rare enough to double-check
hydrogeology is uncommon English at frequency #97,126 among 23,837 “H” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The geology of groundwater, especially concerning the physical, biological and chemical properties of its occurrence and movement.".
No misspelling variants are generated for hydrogeology in our index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From hydro- + geology. The correct English form is hydrogeology, spelled H-Y-D-R-O-G-E-O-L-O-G-Y.
Definition
- 1The geology of groundwater, especially concerning the physical, biological and chemical properties of its occurrence and movement.
Etymology
From hydro- + geology.
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.
Frequently Asked Questions
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Using “hydrogeology”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-Y-D-R-O-G-E-O-L-O-G-Y - every other letter order is a misspelling in standard orthography.
- 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.