Seytil

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Artickle at Wikia.com
Lojban – Seytil
Seytil-(Esperanto-Ido-Interlingua-Lidepla)-etimologia
Texts
Worldlang
Seytil alfabet: Abetal

Important theoretical sources:
False cognate (Wikipedia)
Bongo-Bongo (linguistics) - Etymological studies (Wikipedia)
What's the difference between a “false cognate” and a “false friend”?
"Amazing Coincidences in Linguistics" (from web archive)

Social:
Facebook:
Un forum in latinida artificiala linguas ube de tempe a tempe pri Seytil es parlata

... and some strange stuff which may be referred to the matter:
Birthday problem (or "birthday paradox")
Synchronicity (according to Carl Jung)

Worldlangs:
Pandunia
Lingwa de Planeta (Lidepla, LdP)
Sambahsa-mundialect (which is not a worldlang, but is close to it)
Tceqli (Ceqli)
Noxilo
...