# Theorien

> German word · Noun · IPA [teoˈʁiːən] · frequency rank #7,119

## Definitions
1. Nominativ Plural des Substantivs Theorie
2. Genitiv Plural des Substantivs Theorie
3. Dativ Plural des Substantivs Theorie
4. Akkusativ Plural des Substantivs Theorie

## Easily confused with
- **Thermen** (https://plainspell.com/de/vs/theorien-vs-thermen)
- **Theorie** (https://plainspell.com/de/vs/theorie-vs-theorien)
- **Theorem** (https://plainspell.com/de/vs/theorem-vs-theorien)

## Common misspellings (11)
`hteorien`, `tehorien`, `theoiren`, `theorein`, `theorienn`, `theorine`, `theorrien`, `theroien`, `thheorien`, `thoerien`, `ttheorien`

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