Alzheimer's disease
/ˈæl(t)s.haɪ.mə(ɹ)z dɪˈziːz/
"alzheimer-s-disease" is a 17-letter English headword indexed on PlainSpell.
The verdict
“Alzheimer's disease” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 19
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A disorder involving loss of mental functions resulting from brain tissue changes; senile dementia of the Alzheimer's type.
Corpus desk
Index EN-alzheimer-s-disease · Alzheimer's disease · English
Alzheimer's disease · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 19 letters
- VOW-8 8 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "A" 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 | Alzheimer's disease |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈæl(t)s.haɪ.mə(ɹ)z dɪˈziːz/ |
| Letters | 19 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Alzheimer's disease” in English
Rare enough to double-check
Alzheimer's disease is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈæl(t)s.haɪ.mə(ɹ)z dɪˈziːz/. Rarity is why readers land here mid-draft. Gloss: "A disorder involving loss of mental functions resulting from brain tissue changes; senile dementia of the Alzheimer's type.".
No generated misspelling entries exist for Alzheimer's disease in our index, 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, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: Named after Alois Alzheimer (1864–1915), a German neurologist who described the disease in 1906. The correct English form is Alzheimer's disease, spelled A-L-Z-H-E-I-M-E-R-'-S- -D-I-S-E-A-S-E.
Definition
- 1A disorder involving loss of mental functions resulting from brain tissue changes; senile dementia of the Alzheimer's type.
Etymology
Named after Alois Alzheimer (1864–1915), a German neurologist who described the disease in 1906.
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.