Subanun language
Encyclopedia
The Subanen language is a dialect cluster spoken in the Philippines. The varieties are Lapuyan, Maligay, Central, Salugnon, Malindang, Sibugay, Dumanquilas, Tuboy, Sindangan, Kolibugan, and Siocon. Most go by the name of Subanen or Kolibugan or both, and there is limited mutual intelligibility
between them.
Mutual intelligibility
In linguistics, mutual intelligibility is recognized as a relationship between languages or dialects in which speakers of different but related languages can readily understand each other without intentional study or extraordinary effort...
between them.