lithology
"lithology" is a 9-letter English headword indexed on PlainSpell.
The verdict
“lithology” is uncommon English (frequency #90,667 among 16,425 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #90,667
- frequency rank, English
- 16,425
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The study of rocks, with particular emphasis on their description and classification.
| Property | Value |
|---|---|
| Headword | lithology |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #90,667 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “lithology” sits in English frequency
Rare enough to double-check
lithology is uncommon English at frequency #90,667 among 16,425 “L” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
No misspelling variants are generated for lithology in our index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From litho- + -ology. The correct English form is lithology, spelled L-I-T-H-O-L-O-G-Y.
Definition
- 1The study of rocks, with particular emphasis on their description and classification.
- 2The general composition of a rock or rock sequence.
Etymology
From litho- + -ology.
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 “lithology”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is L-I-T-H-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.