Proto-Basque: *hogei
Meaning: twenty
Bizkaian: ogei
Gipuzkoan: ogei
High Navarrese: ogei
Low Navarrese: (Aldude, Garazi) hogoi, (Amikuse) hogei
Salazarese: ogei
Lapurdian: hogoi, (Urruña) ogoi
Baztanese: ogei
Aezkoan: ogei
Zuberoan: hógei
Roncalese: ógei, ogéi
Comments: This morpheme is also present in the higher numerals (EB) hogeitamar '30' (*hogei eta hamar̄ '20+10'), berrogei '40', hirurogei '60', and laurogei '80' (a vigesimal system). Such systems are also characteristic of North Caucasian and Burushaski.