Dwyadeiniog, a. having two wings

Dwyar, n. stirrups

Dwydon, n. a dipthong

Dwydalenog, a. bipetalous

Dwyeg, n. a milt, a spleen

Dwyen, n. the gills

Dwyf, n. the self-existent

Dwyfasglog, a. bivalve

Dwyfawg, n. the betany

Dwyfed, a. second