# hypothyroidism

> English word · Noun · IPA /ˌhaɪpəˈθaɪɹɔɪˌdɪzəm/ · frequency rank #42,705

## Definitions
1. The 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.

## Common misspellings (23)
`hhypothyroidism`, `hpyothyroidism`, `hyopthyroidism`, `hypohtyroidism`, `hypothhyroidism`, `hypothryoidism`, `hypothyoridism`, `hypothyriodism`, `hypothyrodiism`, `hypothyroiddism`, `hypothyroidims`, `hypothyroidismm`, `hypothyroidissm`, `hypothyroidsim`, `hypothyroiidsm`, `hypothyrroidism`, `hypothyyroidism`, `hypotthyroidism`, `hypotyhroidism`, `hyppothyroidism`, `hyptohyroidism`, `hyypothyroidism`, `yhpothyroidism`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hypothyroidism