allergy
al·ler·gy[ˈæl.ɚ.d͡ʒi]noun
allergy is spelled A-L-L-E-R-G-Y: 7 letters and 3 syllables (al·ler·gy). It appears 4.0 times per million words in written English, the 12,940th most frequent word form (wordfreq, 2021 data). As a noun, allergy means “A disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of…” (English Wiktionary, September 2026). The plural of allergy is allergies.
How many letters and syllables are in allergy?
| Letters | 7: A-L-L-E-R-G-Y |
|---|---|
| Syllables | 3: al·ler·gy |
| In writing | 4.0 times per million words; the 12,940th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is allergy?
Allergy appears 4.0 times per million words in written English, the 12,940th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce allergy?
- /ˈæl.əɹ.d͡ʒi/
- UK [ˈæl.ə.dʒi]
- US [ˈæl.ɚ.d͡ʒi]
Allergy has 3 syllables, split al·ler·gy in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-allergy.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with allergy?
No other word on PlainSpell ends in the same sounds as allergy.
Spelled with the same letters in another order: largely, gallery, regally.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of allergy
- allergies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does allergy mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of histamines and associated with atopy, anaphylaxis, and asthma; any condition of hypersensitivity to a substance.
My dad can't live with pets because of an allergy.
- 2
Specifically, hypersensitivity of class I in the modern classification thereof: the immunoglobulin E–mediated type.
- 3
informalAn antipathy, as toward a person or activity.
He has an allergy to reality TV.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Allergy in Spanish, French, German and Portuguese
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does allergy come from?
Borrowed from German Allergie. Coined by Austrian pediatrician Clemens von Pirquet in 1906 from Ancient Greek ἄλλος (állos, “other”) + ἔργον (érgon, “work, activity”), on the model of Energie.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).