Mongolian spot
"mongolian-spot" is a 13-letter English headword indexed on PlainSpell.
The verdict
“Mongolian spot” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A benign, flat, congenital, usually blue to blue-black birthmark on the lower back with wavy borders and irregular shape, prevalent among East Asians, South-East Asians, Polynesians, Native America...
Corpus desk
Index EN-mongolian-spot · Mongolian spot · English
Mongolian spot · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 14 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "M" 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.
| Property | Value |
|---|---|
| Headword | Mongolian spot |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Mongolian spot” in English
Rare enough to double-check
Mongolian spot is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A benign, flat, congenital, usually blue to blue-black birthmark on the lower back with wavy borders and irregular shape, prevalent among East Asians, South-East Asians, Polynesians, Native America...".
Zero misspellings are on record for Mongolian spot in our index, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is Mongolian spot, spelled M-O-N-G-O-L-I-A-N- -S-P-O-T.
Definition
- 1A benign, flat, congenital, usually blue to blue-black birthmark on the lower back with wavy borders and irregular shape, prevalent among East Asians, South-East Asians, Polynesians, Native Americans, East Africans, and the Turkish people. It normally disappears three to five years after birth and almost always by puberty.
Recorded use
Wiktionary examplesThese source excerpts show how Mongolian spot appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Mongolian spots are produced by melanocyte leftovers that do not migrate into the epidermis; they remain deeper than usual in the lumbar-sacral region, resulting in blue coloration of the skin. Mongolian spots occur mainly on the buttocks and lower back, and occasionally on the abdomen, thighs, and arms. They occur in 90 percent of Blacks, 80 percent of O…
2004, Adapted from Walter W. Tunnessen, Daniel P. Krowchuk, Chapter 46: Pediatric Dermatology, Michael Crocetti, Michael A. Barone, Frank A. Oski (editors), Oski's Essential Pediatrics, page 135, Mongolian spot is an unfortunate name for this common, benign skin discoloration. Present at birth, mongolian spots are blue-gray or blue-green and represent are…
Synonyms
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.