inlier

noun

"inlier" is a 6-letter English headword indexed on PlainSpell.

The verdict

“inlier” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An area of older rocks surrounded by younger rocks, typically formed by erosion of part of the younger rock.

Key facts for inlier
PropertyValue
Headwordinlier
LanguageEnglish
Part of speechNoun
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “inlier” sits in English frequency

inlier falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for inlier is 6 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

The misspelling generator found no plausible variants for inlier, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From in + lier. The correct English form is inlier, spelled I-N-L-I-E-R.

Definition

  1. 1
    An area of older rocks surrounded by younger rocks, typically formed by erosion of part of the younger rock.
  2. 2
    A value that fits a pattern, rather than being an outlier.

Etymology

From in + lier.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "inlier"?
"inlier" is spelled I-N-L-I-E-R.
What does "inlier" mean?
As a noun, "inlier" means: An area of older rocks surrounded by younger rocks, typically formed by erosion of part of the younger rock.
What is the origin of the word "inlier"?
From in + lier. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “inlier”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is I-N-L-I-E-R - every other letter order is a misspelling in standard orthography.
  • 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list