[2][3] Word lists have been collected by Armellada & Matallana (1942),[4] Migliazza (1978),[5] Walter Coppens,[6] and Francia Medina.

[7] There are unpublished field notebooks by Fèlix Cardona i Puig from the 1930s-1940s containing linguistic data of Sapé.

[9] Some of the Sapé semi-speakers have since moved to Yuwapí Merú, a village located on the Middle Paragua.

There may also be semi-speakers of Sapé living in the Pemon village of Venevené (Benebené, Veneveken).

Jolkesky (2016) notes that there are lexical similarities with the Warao, Chibchan, Puinave-Kak, Jirajara, Tukano (especially Cubeo and Wanano), Arutani, and Máku language families due to contact.