hypoallergenic
/haɪ.pəʊ.æl.ə(ɹ)ˈdʒɛn.ɪk/
"hypoallergenic" is a 14-letter English headword indexed on PlainSpell.
The verdict
“hypoallergenic” is uncommon English (frequency #68,309 among 23,837 “H” headwords), classed as an adjective. The kind of spelling people second-guess.
- #68,309
- frequency rank, English
- 23,837
- “H” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Containing fewer allergens; minimally allergenic.
| Property | Value |
|---|---|
| Headword | hypoallergenic |
| Language | English |
| Part of speech | Adjective |
| IPA | /haɪ.pəʊ.æl.ə(ɹ)ˈdʒɛn.ɪk/ |
| Letters | 14 |
| Frequency rank | #68,309 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “hypoallergenic” sits in English frequency
Rare enough to double-check
hypoallergenic is uncommon English at frequency #68,309 among 23,837 “H” headwords, classed as anadjective, transcribed /haɪ.pəʊ.æl.ə(ɹ)ˈdʒɛn.ɪk/. Rarity is why readers land here mid-draft. 2 senses are on record.
hypoallergenic doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: Coined between 1950 and 1955 from hypo- + allergenic. Some say that it was coined by advertisers in 1953. Merriam-Webster puts the date at 1940. The correct English form is hypoallergenic, spelled H-Y-P-O-A-L-L-E-R-G-E-N-I-C.
Definition
- 1Containing fewer allergens; minimally allergenic.
- 2Relating to a hypoallergen.
Etymology
Coined between 1950 and 1955 from hypo- + allergenic. Some say that it was coined by advertisers in 1953. Merriam-Webster puts the date at 1940.
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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “hypoallergenic”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-Y-P-O-A-L-L-E-R-G-E-N-I-C - every other letter order is a misspelling in standard orthography.
- Say it as /haɪ.pəʊ.æl.ə(ɹ)ˈdʒɛn.ɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.