hypothyroidism
/ˌhaɪpəˈθaɪɹɔɪˌdɪzəm/
"hypothyroidism" is a 14-letter English headword indexed on PlainSpell.
The verdict
“hypothyroidism” has 23 generated spelling variants in the English index at frequency #42,705. The variants make it a useful spelling check.
- #42,705
- frequency rank, English
- 23,837
- “H” headwords
- 23
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The disease state caused by insufficient production of thyroid hormone by the thyroid gland.
| Property | Value |
|---|---|
| Headword | hypothyroidism |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌhaɪpəˈθaɪɹɔɪˌdɪzəm/ |
| Letters | 14 |
| Frequency rank | #42,705 |
| Misspellings tracked | 23 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “hypothyroidism” sits in English frequency
A misspelling magnet
The generator records 23 spelling variants around hypothyroidism (IPA /ˌhaɪpəˈθaɪɹɔɪˌdɪzəm/), anoun. Corpus frequency is #42,705 among 23,837 “H” headwords. Dominant gloss: "The disease state caused by insufficient production of thyroid hormone by the thyroid gland.".
Our generated misspelling index lists 23 likely wrong-spelling variants for hypothyroidism, with forms such as "hhypothyroidism", "hpyothyroidism", and "hyopthyroidism". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Coined c. between 1900 and 1905 from hypo- (“under”) + thyroid + -ism. The correct English form is hypothyroidism, spelled H-Y-P-O-T-H-Y-R-O-I-D-I-S-M.
Definition
- 1The disease state caused by insufficient production of thyroid hormone by the thyroid gland.
Etymology
Coined c. between 1900 and 1905 from hypo- (“under”) + thyroid + -ism.
This word in other languages
Common misspellings
Also misspelled as:
- hhypothyroidism
- hpyothyroidism
- hyopthyroidism
- hypohtyroidism
- hypothhyroidism
- hypothryoidism
- hypothyoridism
- hypothyriodism
- hypothyrodiism
- hypothyroiddism
- hypothyroidims
- hypothyroidismm
- hypothyroidissm
- hypothyroidsim
- hypothyroiidsm
- hypothyrroidism
- hypothyyroidism
- hypotthyroidism
- hypotyhroidism
- hyppothyroidism
- hyptohyroidism
- hyypothyroidism
- yhpothyroidism
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of hypothyroidism - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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
How do you spell "hypothyroidism"?
What does "hypothyroidism" mean?
What are common misspellings of "hypothyroidism"?
How do you pronounce "hypothyroidism"?
What is the origin of the word "hypothyroidism"?
Is PlainSpell free to use?
Using “hypothyroidism”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-Y-P-O-T-H-Y-R-O-I-D-I-S-M - every other letter order is a misspelling in standard orthography.
- Say it as /ˌhaɪpəˈθaɪɹɔɪˌdɪzəm/ (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
Same frequency band
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.