VulgarLang

Vulgarlang generates constructed languages for fantasy writers and role players, modeling grammar, sounds, vocabulary, and language irregularities.

vulgarlang.com
VulgarLang homepage screenshot

About VulgarLang

VulgarLang generates constructed languages, modeling grammar, sounds, vocabulary, and irregularities. Users can set custom phonemes in IPA, word structure and stress, spelling rules, affixes, custom and derived words, sentence word order, and noun genders.

The demo version produces 200-word output and shows only 1 in 10 custom added words, while signup provides a 4,000-word vocabulary and extra features. Output uses the International Phonetic Alphabet and linguistic terminology, and sci-fi vocabulary and changing the stress pattern are listed as pro or full-version options.

Key features

  • Generate constructed languages with grammar, sounds, and vocabulary
  • Custom consonants and vowels using IPA symbols
  • Define word structure, consonant clusters, and vowel harmony
  • Custom spelling rules including second romanization system
  • Add custom words, derived words, and compound words
  • Adjustable sentence word order and noun genders
Best for: Fantasy writers and role players who need constructed languages for fictional peoples.
Good for
  • Models grammar, sounds, vocabulary, and irregularities
  • Customization across phonemes, spelling, affixes, and word order
  • Can save and load generated languages
Watch out for
  • Demo output is limited to 200 words, with 4,000 words after signup
  • Demo displays only 1 in 10 custom added words
  • Uses IPA and linguistic terminology

VulgarLang at a glance

Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Good for
Writers
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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VulgarLang FAQ

What does the demo version include?
The demo version produces 200-word output, while signup provides a 4,000-word vocabulary and extra features.
Can I add my own words?
Yes, extra words can be entered as English word(s) : part-of-speech, but only 1 in 10 added words display in the demo version.
Does it use phonetic notation?
Yes, VulgarLang uses the International Phonetic Alphabet (IPA) and other linguistic terminology.
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