underlinen

noun

"underlinen" is a 10-letter English headword indexed on PlainSpell.

The verdict

“underlinen” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - underwear (especially, but not always, made of linen); any undergarment.

Corpus desk

Index EN-underlinen · underlinen · English

underlinen · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for underlinen
PropertyValue
Headwordunderlinen
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “underlinen” in English

underlinensits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

underlinen is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "underwear (especially, but not always, made of linen); any undergarment.".

Zero misspellings are on record for underlinen in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From under + linen. The correct English form is underlinen, spelled U-N-D-E-R-L-I-N-E-N.

Definition

  1. 1
    underwear (especially, but not always, made of linen); any undergarment.

Recorded use

Wiktionary examples

These source excerpts show how underlinen appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Suddenly she announced her intention of becoming a nun--sold her house and lovely garden, where she had spent so many happy hours with her flowers and her birds, distributed her pretty things among her friends, and accepted all the small trials of strict convent life--no bath, nor mirror, coarse underlinen and sheets--no fire, no lights, no privacy, the r…
  2. In an open space before the church walked a woman with her gown-sleeves rolled up so high that the edge of her underlinen was visible, and her skirt tucked up through her pocket hole.

Etymology

From under + linen.

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 "underlinen"?
"underlinen" is spelled U-N-D-E-R-L-I-N-E-N.
What does "underlinen" mean?
As a noun, "underlinen" means: underwear (especially, but not always, made of linen); any undergarment.
What is the origin of the word "underlinen"?
From under + linen. 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.

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

Source: FrequencyWords open word-frequency list