The IELex database is implemented using the LexDB system, a lexical cognate database system written by Michael Dunn.

The icons used in this project are taken from the set ‘Sweetie BasePack(CC BY-SA 3.0) by Joseph North.

Language list: all
Wordlist: all

The Indo-European Lexical Cognacy Database (IELex) is an initiative of the Evolutionary Processes in Language and Culture research group to make available a database of cognate judgements in the Indo-European languages. The provenance of every lexeme and every cognate judgement in the database is recorded and available for review.

Please note: as of the 2nd of December, 2015 the database has been migrated to a new server, and no new data will be added to An announcement of the public url will follow soon. GlottoBank coders: Please contact Cormac for instructions.

Data from this database was used in the following publications:

We owe particular gratitude to the following sources:

The database contains:

Languages 163
Meanings 225
Words 34619
Cognate Sets 5013
Coded Characters 32651